From 54c567b5b23e5358feac45bd8c6a27f85abc8b34 Mon Sep 17 00:00:00 2001
From: Chris Krycho <hello@chriskrycho.com>
Date: Thu, 26 Sep 2024 14:40:12 -0600
Subject: [PATCH] Ch. 17: update all internal links for new ordering

---
 2018-edition/src/ch17-00-oop.md                               | 4 ++--
 2018-edition/src/ch17-01-what-is-oo.md                        | 4 ++--
 2018-edition/src/ch17-02-trait-objects.md                     | 4 ++--
 2018-edition/src/ch17-03-oo-design-patterns.md                | 2 +-
 2018-edition/src/ch18-00-patterns.md                          | 4 ++--
 2018-edition/src/ch18-01-all-the-places-for-patterns.md       | 4 ++--
 2018-edition/src/ch18-02-refutability.md                      | 4 ++--
 2018-edition/src/ch18-03-pattern-syntax.md                    | 4 ++--
 2018-edition/src/ch19-00-advanced-features.md                 | 4 ++--
 2018-edition/src/ch19-01-unsafe-rust.md                       | 4 ++--
 2018-edition/src/ch19-03-advanced-traits.md                   | 4 ++--
 2018-edition/src/ch19-04-advanced-types.md                    | 4 ++--
 2018-edition/src/ch19-05-advanced-functions-and-closures.md   | 4 ++--
 2018-edition/src/ch19-06-macros.md                            | 4 ++--
 2018-edition/src/ch20-00-final-project-a-web-server.md        | 4 ++--
 2018-edition/src/ch20-01-single-threaded.md                   | 4 ++--
 2018-edition/src/ch20-02-multithreaded.md                     | 4 ++--
 2018-edition/src/ch20-03-graceful-shutdown-and-cleanup.md     | 4 ++--
 first-edition/src/associated-types.md                         | 2 +-
 first-edition/src/const-and-static.md                         | 2 +-
 first-edition/src/ffi.md                                      | 2 +-
 first-edition/src/macros.md                                   | 2 +-
 first-edition/src/operators-and-overloading.md                | 2 +-
 first-edition/src/patterns.md                                 | 2 +-
 first-edition/src/procedural-macros.md                        | 2 +-
 first-edition/src/raw-pointers.md                             | 2 +-
 first-edition/src/trait-objects.md                            | 2 +-
 first-edition/src/type-aliases.md                             | 2 +-
 first-edition/src/unsafe.md                                   | 2 +-
 first-edition/src/unsized-types.md                            | 2 +-
 listings/ch19-patterns-and-matching/listing-19-08/output.txt  | 2 +-
 redirects/associated-types.md                                 | 2 +-
 redirects/const-and-static.md                                 | 2 +-
 redirects/ffi.md                                              | 2 +-
 redirects/macros.md                                           | 2 +-
 redirects/match.md                                            | 2 +-
 redirects/operators-and-overloading.md                        | 2 +-
 redirects/procedural-macros.md                                | 2 +-
 redirects/raw-pointers.md                                     | 2 +-
 redirects/trait-objects.md                                    | 2 +-
 redirects/traits.md                                           | 2 +-
 redirects/type-aliases.md                                     | 2 +-
 redirects/ufcs.md                                             | 2 +-
 redirects/unsafe.md                                           | 2 +-
 redirects/unsized-types.md                                    | 2 +-
 second-edition/src/appendix-04-macros.md                      | 4 ++--
 second-edition/src/ch17-00-oop.md                             | 4 ++--
 second-edition/src/ch17-01-what-is-oo.md                      | 4 ++--
 second-edition/src/ch17-02-trait-objects.md                   | 4 ++--
 second-edition/src/ch18-01-all-the-places-for-patterns.md     | 4 ++--
 second-edition/src/ch18-02-refutability.md                    | 4 ++--
 second-edition/src/ch18-03-pattern-syntax.md                  | 4 ++--
 second-edition/src/ch19-00-advanced-features.md               | 4 ++--
 second-edition/src/ch19-01-unsafe-rust.md                     | 4 ++--
 second-edition/src/ch19-03-advanced-traits.md                 | 4 ++--
 second-edition/src/ch19-04-advanced-types.md                  | 4 ++--
 second-edition/src/ch19-05-advanced-functions-and-closures.md | 4 ++--
 second-edition/src/ch20-00-final-project-a-web-server.md      | 4 ++--
 second-edition/src/ch20-01-single-threaded.md                 | 4 ++--
 second-edition/src/ch20-02-multithreaded.md                   | 4 ++--
 second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md   | 4 ++--
 61 files changed, 94 insertions(+), 94 deletions(-)

diff --git a/2018-edition/src/ch17-00-oop.md b/2018-edition/src/ch17-00-oop.md
index c731bbc95b..6ff4dc33e8 100644
--- a/2018-edition/src/ch17-00-oop.md
+++ b/2018-edition/src/ch17-00-oop.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-00-oop.html) instead.
+version of the book](../ch18-00-oop.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-00-oop.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-00-oop.html).
diff --git a/2018-edition/src/ch17-01-what-is-oo.md b/2018-edition/src/ch17-01-what-is-oo.md
index ed1ec4013d..28835201bf 100644
--- a/2018-edition/src/ch17-01-what-is-oo.md
+++ b/2018-edition/src/ch17-01-what-is-oo.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-01-what-is-oo.html) instead.
+version of the book](../ch18-01-what-is-oo.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-01-what-is-oo.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-01-what-is-oo.html).
diff --git a/2018-edition/src/ch17-02-trait-objects.md b/2018-edition/src/ch17-02-trait-objects.md
index 1999647aae..b83ab904ee 100644
--- a/2018-edition/src/ch17-02-trait-objects.md
+++ b/2018-edition/src/ch17-02-trait-objects.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-02-trait-objects.html) instead.
+version of the book](../ch18-02-trait-objects.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-02-trait-objects.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch17-02-trait-objects.html).
diff --git a/2018-edition/src/ch17-03-oo-design-patterns.md b/2018-edition/src/ch17-03-oo-design-patterns.md
index 9513538f57..c161b3decf 100644
--- a/2018-edition/src/ch17-03-oo-design-patterns.md
+++ b/2018-edition/src/ch17-03-oo-design-patterns.md
@@ -3,7 +3,7 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-03-oo-design-patterns.html) instead.
+version of the book](../ch19-03-oo-design-patterns.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/2018-edition/src/ch18-00-patterns.md b/2018-edition/src/ch18-00-patterns.md
index f3da1f40d2..213bac305d 100644
--- a/2018-edition/src/ch18-00-patterns.md
+++ b/2018-edition/src/ch18-00-patterns.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-00-patterns.html) instead.
+version of the book](../ch19-00-patterns.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-00-patterns.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-00-patterns.html).
diff --git a/2018-edition/src/ch18-01-all-the-places-for-patterns.md b/2018-edition/src/ch18-01-all-the-places-for-patterns.md
index ccf3884069..f2dfa71a32 100644
--- a/2018-edition/src/ch18-01-all-the-places-for-patterns.md
+++ b/2018-edition/src/ch18-01-all-the-places-for-patterns.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-01-all-the-places-for-patterns.html) instead.
+version of the book](../ch19-01-all-the-places-for-patterns.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-01-all-the-places-for-patterns.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-01-all-the-places-for-patterns.html).
diff --git a/2018-edition/src/ch18-02-refutability.md b/2018-edition/src/ch18-02-refutability.md
index a3e2bcff76..3eddb4dcd5 100644
--- a/2018-edition/src/ch18-02-refutability.md
+++ b/2018-edition/src/ch18-02-refutability.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-02-refutability.html) instead.
+version of the book](../ch19-02-refutability.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-02-refutability.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-02-refutability.html).
diff --git a/2018-edition/src/ch18-03-pattern-syntax.md b/2018-edition/src/ch18-03-pattern-syntax.md
index 0e0929e7b8..44c73500e1 100644
--- a/2018-edition/src/ch18-03-pattern-syntax.md
+++ b/2018-edition/src/ch18-03-pattern-syntax.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-03-pattern-syntax.html) instead.
+version of the book](../ch19-03-pattern-syntax.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-03-pattern-syntax.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch18-03-pattern-syntax.html).
diff --git a/2018-edition/src/ch19-00-advanced-features.md b/2018-edition/src/ch19-00-advanced-features.md
index b34d6b9b67..16c72a906a 100644
--- a/2018-edition/src/ch19-00-advanced-features.md
+++ b/2018-edition/src/ch19-00-advanced-features.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-00-advanced-features.html) instead.
+version of the book](../ch20-00-advanced-features.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-00-advanced-features.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-00-advanced-features.html).
diff --git a/2018-edition/src/ch19-01-unsafe-rust.md b/2018-edition/src/ch19-01-unsafe-rust.md
index 34b569fee6..7316eb44a9 100644
--- a/2018-edition/src/ch19-01-unsafe-rust.md
+++ b/2018-edition/src/ch19-01-unsafe-rust.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html) instead.
+version of the book](../ch20-01-unsafe-rust.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-01-unsafe-rust.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-01-unsafe-rust.html).
diff --git a/2018-edition/src/ch19-03-advanced-traits.md b/2018-edition/src/ch19-03-advanced-traits.md
index 4219b208b9..88ca1a55b4 100644
--- a/2018-edition/src/ch19-03-advanced-traits.md
+++ b/2018-edition/src/ch19-03-advanced-traits.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-03-advanced-traits.html) instead.
+version of the book](../ch20-03-advanced-traits.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-03-advanced-traits.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-03-advanced-traits.html).
diff --git a/2018-edition/src/ch19-04-advanced-types.md b/2018-edition/src/ch19-04-advanced-types.md
index fecbd52dc8..c7c24439f9 100644
--- a/2018-edition/src/ch19-04-advanced-types.md
+++ b/2018-edition/src/ch19-04-advanced-types.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-04-advanced-types.html) instead.
+version of the book](../ch20-04-advanced-types.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-04-advanced-types.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-04-advanced-types.html).
diff --git a/2018-edition/src/ch19-05-advanced-functions-and-closures.md b/2018-edition/src/ch19-05-advanced-functions-and-closures.md
index 1bf0450904..c46fd485e1 100644
--- a/2018-edition/src/ch19-05-advanced-functions-and-closures.md
+++ b/2018-edition/src/ch19-05-advanced-functions-and-closures.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-05-advanced-functions-and-closures.html) instead.
+version of the book](../ch20-05-advanced-functions-and-closures.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-05-advanced-functions-and-closures.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-05-advanced-functions-and-closures.html).
diff --git a/2018-edition/src/ch19-06-macros.md b/2018-edition/src/ch19-06-macros.md
index bf019c5d68..838a0b8328 100644
--- a/2018-edition/src/ch19-06-macros.md
+++ b/2018-edition/src/ch19-06-macros.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-06-macros.html) instead.
+version of the book](../ch20-06-macros.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-06-macros.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch19-06-macros.html).
diff --git a/2018-edition/src/ch20-00-final-project-a-web-server.md b/2018-edition/src/ch20-00-final-project-a-web-server.md
index f9b9e5c2d2..cac5584895 100644
--- a/2018-edition/src/ch20-00-final-project-a-web-server.md
+++ b/2018-edition/src/ch20-00-final-project-a-web-server.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-00-final-project-a-web-server.html) instead.
+version of the book](../ch21-00-final-project-a-web-server.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-00-final-project-a-web-server.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-00-final-project-a-web-server.html).
diff --git a/2018-edition/src/ch20-01-single-threaded.md b/2018-edition/src/ch20-01-single-threaded.md
index 30d0884adb..e1b4200be8 100644
--- a/2018-edition/src/ch20-01-single-threaded.md
+++ b/2018-edition/src/ch20-01-single-threaded.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-01-single-threaded.html) instead.
+version of the book](../ch21-01-single-threaded.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-01-single-threaded.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-01-single-threaded.html).
diff --git a/2018-edition/src/ch20-02-multithreaded.md b/2018-edition/src/ch20-02-multithreaded.md
index e8b592ad22..7d54d56bc8 100644
--- a/2018-edition/src/ch20-02-multithreaded.md
+++ b/2018-edition/src/ch20-02-multithreaded.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-02-multithreaded.html) instead.
+version of the book](../ch21-02-multithreaded.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-02-multithreaded.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-02-multithreaded.html).
diff --git a/2018-edition/src/ch20-03-graceful-shutdown-and-cleanup.md b/2018-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
index 928d199bee..f4879c4ac7 100644
--- a/2018-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
+++ b/2018-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
@@ -3,8 +3,8 @@
 The 2018 edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-03-graceful-shutdown-and-cleanup.html) instead.
+version of the book](../ch21-03-graceful-shutdown-and-cleanup.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-03-graceful-shutdown-and-cleanup.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/2018-edition/ch20-03-graceful-shutdown-and-cleanup.html).
diff --git a/first-edition/src/associated-types.md b/first-edition/src/associated-types.md
index 626048e9e6..be78034984 100644
--- a/first-edition/src/associated-types.md
+++ b/first-edition/src/associated-types.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-03-advanced-traits.html#specifying-placeholder-types-in-trait-definitions-with-associated-types) instead.
+version of the book](../ch20-03-advanced-traits.html#specifying-placeholder-types-in-trait-definitions-with-associated-types) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/const-and-static.md b/first-edition/src/const-and-static.md
index aa634112b2..7e667e50c6 100644
--- a/first-edition/src/const-and-static.md
+++ b/first-edition/src/const-and-static.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html#accessing-or-modifying-a-mutable-static-variable) instead.
+version of the book](../ch20-01-unsafe-rust.html#accessing-or-modifying-a-mutable-static-variable) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/ffi.md b/first-edition/src/ffi.md
index 2adaff9d8f..a8c3f818ee 100644
--- a/first-edition/src/ffi.md
+++ b/first-edition/src/ffi.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html#calling-rust-functions-from-other-languages) instead.
+version of the book](../ch20-01-unsafe-rust.html#calling-rust-functions-from-other-languages) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/macros.md b/first-edition/src/macros.md
index 6bafdc1e43..eb9871ca4a 100644
--- a/first-edition/src/macros.md
+++ b/first-edition/src/macros.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-06-macros.html) instead.
+version of the book](../ch20-06-macros.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/operators-and-overloading.md b/first-edition/src/operators-and-overloading.md
index 921a2a6854..a13f444376 100644
--- a/first-edition/src/operators-and-overloading.md
+++ b/first-edition/src/operators-and-overloading.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-03-advanced-traits.html#default-generic-type-parameters-and-operator-overloading) instead.
+version of the book](../ch20-03-advanced-traits.html#default-generic-type-parameters-and-operator-overloading) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/patterns.md b/first-edition/src/patterns.md
index d722d397e9..7bc6949b2f 100644
--- a/first-edition/src/patterns.md
+++ b/first-edition/src/patterns.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-03-pattern-syntax.html) instead.
+version of the book](../ch19-03-pattern-syntax.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/procedural-macros.md b/first-edition/src/procedural-macros.md
index 9778383d80..3b683a9759 100644
--- a/first-edition/src/procedural-macros.md
+++ b/first-edition/src/procedural-macros.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-06-macros.html?highlight=procedural#procedural-macros-for-generating-code-from-attributes) instead.
+version of the book](../ch20-06-macros.html?highlight=procedural#procedural-macros-for-generating-code-from-attributes) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/raw-pointers.md b/first-edition/src/raw-pointers.md
index c149da8681..a4cc68d474 100644
--- a/first-edition/src/raw-pointers.md
+++ b/first-edition/src/raw-pointers.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html#dereferencing-a-raw-pointer) instead.
+version of the book](../ch20-01-unsafe-rust.html#dereferencing-a-raw-pointer) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/trait-objects.md b/first-edition/src/trait-objects.md
index 871bad6140..a04d16b4b2 100644
--- a/first-edition/src/trait-objects.md
+++ b/first-edition/src/trait-objects.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-02-trait-objects.html) instead.
+version of the book](../ch18-02-trait-objects.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/type-aliases.md b/first-edition/src/type-aliases.md
index 7ac51ff191..d79974e550 100644
--- a/first-edition/src/type-aliases.md
+++ b/first-edition/src/type-aliases.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-04-advanced-types.html#creating-type-synonyms-with-type-aliases) instead.
+version of the book](../ch20-04-advanced-types.html#creating-type-synonyms-with-type-aliases) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/unsafe.md b/first-edition/src/unsafe.md
index be816dfd3d..187fef52e1 100644
--- a/first-edition/src/unsafe.md
+++ b/first-edition/src/unsafe.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html) instead.
+version of the book](../ch20-01-unsafe-rust.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/first-edition/src/unsized-types.md b/first-edition/src/unsized-types.md
index 4ec43ecadf..5fb51b1fd2 100644
--- a/first-edition/src/unsized-types.md
+++ b/first-edition/src/unsized-types.md
@@ -3,7 +3,7 @@
 The first edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait) instead.
+version of the book](../ch20-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
diff --git a/listings/ch19-patterns-and-matching/listing-19-08/output.txt b/listings/ch19-patterns-and-matching/listing-19-08/output.txt
index 6ce3dfc582..0ed34b7164 100644
--- a/listings/ch19-patterns-and-matching/listing-19-08/output.txt
+++ b/listings/ch19-patterns-and-matching/listing-19-08/output.txt
@@ -7,7 +7,7 @@ error[E0005]: refutable pattern in local binding
   |         ^^^^^^^ pattern `None` not covered
   |
   = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
-  = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
+  = note: for more information, visit https://doc.rust-lang.org/book/ch19-02-refutability.html
   = note: the matched value is of type `Option<i32>`
 help: you might want to use `let else` to handle the variant that isn't matched
   |
diff --git a/redirects/associated-types.md b/redirects/associated-types.md
index b222f3298f..af052c160d 100644
--- a/redirects/associated-types.md
+++ b/redirects/associated-types.md
@@ -14,4 +14,4 @@ pub trait Iterator {
 ---
 
 You can find the latest version of this information
-[here](ch19-03-advanced-traits.html#specifying-placeholder-types-in-trait-definitions-with-associated-types).
\ No newline at end of file
+[here](ch20-03-advanced-traits.html#specifying-placeholder-types-in-trait-definitions-with-associated-types).
diff --git a/redirects/const-and-static.md b/redirects/const-and-static.md
index b87bdd3831..60b13f62ac 100644
--- a/redirects/const-and-static.md
+++ b/redirects/const-and-static.md
@@ -16,6 +16,6 @@ static HELLO_WORLD: &str = "Hello, world!";
 You can find the latest version about constants
 [here](ch03-01-variables-and-mutability.html#constants),
 and about statics
-[here](ch19-01-unsafe-rust.html#accessing-or-modifying-a-mutable-static-variable).
+[here](ch20-01-unsafe-rust.html#accessing-or-modifying-a-mutable-static-variable).
 
 
diff --git a/redirects/ffi.md b/redirects/ffi.md
index 20ed3963ef..63308ab1de 100644
--- a/redirects/ffi.md
+++ b/redirects/ffi.md
@@ -20,4 +20,4 @@ fn main() {
 ---
 
 You can find the latest version of this information
-[here](ch19-01-unsafe-rust.html#using-extern-functions-to-call-external-code)
\ No newline at end of file
+[here](ch20-01-unsafe-rust.html#using-extern-functions-to-call-external-code)
diff --git a/redirects/macros.md b/redirects/macros.md
index 08217d115d..828d484dd6 100644
--- a/redirects/macros.md
+++ b/redirects/macros.md
@@ -25,6 +25,6 @@ Here are the relevant sections in the new and old books:
 
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/macros.html
-[2]: ch19-06-macros.html
+[2]: ch20-06-macros.html
 [3]: https://rustbyexample.com/macros.html
 [4]: ../reference/macros-by-example.html
diff --git a/redirects/match.md b/redirects/match.md
index fd28ba8dea..5bcbc89495 100644
--- a/redirects/match.md
+++ b/redirects/match.md
@@ -34,5 +34,5 @@ Here are the relevant sections in the new and old books:
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/match.html
 [2]: ch06-02-match.html
-[3]: ch18-00-patterns.html
+[3]: ch19-00-patterns.html
 
diff --git a/redirects/operators-and-overloading.md b/redirects/operators-and-overloading.md
index ff9a33048a..3a61fbabc4 100644
--- a/redirects/operators-and-overloading.md
+++ b/redirects/operators-and-overloading.md
@@ -33,4 +33,4 @@ fn main() {
 ---
 
 You can find the latest version of this information
-[here](ch19-03-advanced-traits.html).
+[here](ch20-03-advanced-traits.html).
diff --git a/redirects/procedural-macros.md b/redirects/procedural-macros.md
index bf6665f1a6..07657f6c88 100644
--- a/redirects/procedural-macros.md
+++ b/redirects/procedural-macros.md
@@ -16,6 +16,6 @@ You can check out other resources that describe macros.
 
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/procedural-macros.html
-[2]: ch19-06-macros.html
+[2]: ch20-06-macros.html
 [3]: ../proc_macro/index.html
 [4]: ../reference/procedural-macros.html
diff --git a/redirects/raw-pointers.md b/redirects/raw-pointers.md
index 773f3abc48..4076907b5c 100644
--- a/redirects/raw-pointers.md
+++ b/redirects/raw-pointers.md
@@ -14,4 +14,4 @@ let r2 = &mut num as *mut i32;
 ---
 
 You can find the latest version of this information
-[here](ch19-01-unsafe-rust.html#dereferencing-a-raw-pointer)
\ No newline at end of file
+[here](ch20-01-unsafe-rust.html#dereferencing-a-raw-pointer)
diff --git a/redirects/trait-objects.md b/redirects/trait-objects.md
index 3200e26a15..44ca328235 100644
--- a/redirects/trait-objects.md
+++ b/redirects/trait-objects.md
@@ -65,4 +65,4 @@ Here are the relevant sections in the new and old books:
 
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/trait-objects.html
-[2]: ch17-02-trait-objects.html
+[2]: ch18-02-trait-objects.html
diff --git a/redirects/traits.md b/redirects/traits.md
index dcb577e97b..b36ede6640 100644
--- a/redirects/traits.md
+++ b/redirects/traits.md
@@ -21,4 +21,4 @@ Here are the relevant sections in the new and old books:
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/traits.html
 [2]: ch10-02-traits.html
-[3]: ch19-03-advanced-traits.html
+[3]: ch20-03-advanced-traits.html
diff --git a/redirects/type-aliases.md b/redirects/type-aliases.md
index 85cd4c9ecc..84f94e41e9 100644
--- a/redirects/type-aliases.md
+++ b/redirects/type-aliases.md
@@ -11,4 +11,4 @@ type Kilometers = i32;
 ---
 
 You can find the latest version of this information
-[here](ch19-04-advanced-types.html#creating-type-synonyms-with-type-aliases).
\ No newline at end of file
+[here](ch20-04-advanced-types.html#creating-type-synonyms-with-type-aliases).
diff --git a/redirects/ufcs.md b/redirects/ufcs.md
index 2959c06bd0..684c02ec77 100644
--- a/redirects/ufcs.md
+++ b/redirects/ufcs.md
@@ -45,4 +45,4 @@ fn main() {
 ---
 
 You can find the latest version of this information
-[here](ch19-03-advanced-traits.html#fully-qualified-syntax-for-disambiguation-calling-methods-with-the-same-name).
\ No newline at end of file
+[here](ch20-03-advanced-traits.html#fully-qualified-syntax-for-disambiguation-calling-methods-with-the-same-name).
diff --git a/redirects/unsafe.md b/redirects/unsafe.md
index 8628c7aa95..94ee8ad777 100644
--- a/redirects/unsafe.md
+++ b/redirects/unsafe.md
@@ -14,5 +14,5 @@ Here are the relevant sections in the new and old books:
 
 
 [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/unsafe.html
-[2]: ch19-01-unsafe-rust.html
+[2]: ch20-01-unsafe-rust.html
 [3]: ../nomicon/index.html
diff --git a/redirects/unsized-types.md b/redirects/unsized-types.md
index bd9582cbac..6e8d19da4a 100644
--- a/redirects/unsized-types.md
+++ b/redirects/unsized-types.md
@@ -15,4 +15,4 @@ fn generic<T: ?Sized>(t: &T) {
 ---
 
 You can find the latest version of this information
-[here](ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait).
\ No newline at end of file
+[here](ch20-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait).
diff --git a/second-edition/src/appendix-04-macros.md b/second-edition/src/appendix-04-macros.md
index 2798b5d50a..dfcdcec07c 100644
--- a/second-edition/src/appendix-04-macros.md
+++ b/second-edition/src/appendix-04-macros.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-06-macros.html) instead.
+version of the book](../ch20-06-macros.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-04-macros.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-04-macros.html).
diff --git a/second-edition/src/ch17-00-oop.md b/second-edition/src/ch17-00-oop.md
index 752130915e..e3633405f1 100644
--- a/second-edition/src/ch17-00-oop.md
+++ b/second-edition/src/ch17-00-oop.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-00-oop.html) instead.
+version of the book](../ch18-00-oop.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-00-oop.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-00-oop.html).
diff --git a/second-edition/src/ch17-01-what-is-oo.md b/second-edition/src/ch17-01-what-is-oo.md
index 82c1ed8f9c..a705d19416 100644
--- a/second-edition/src/ch17-01-what-is-oo.md
+++ b/second-edition/src/ch17-01-what-is-oo.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-01-what-is-oo.html) instead.
+version of the book](../ch18-01-what-is-oo.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-01-what-is-oo.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-01-what-is-oo.html).
diff --git a/second-edition/src/ch17-02-trait-objects.md b/second-edition/src/ch17-02-trait-objects.md
index 35f0c18835..16dad6368e 100644
--- a/second-edition/src/ch17-02-trait-objects.md
+++ b/second-edition/src/ch17-02-trait-objects.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch17-02-trait-objects.html) instead.
+version of the book](../ch18-02-trait-objects.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-02-trait-objects.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-02-trait-objects.html).
diff --git a/second-edition/src/ch18-01-all-the-places-for-patterns.md b/second-edition/src/ch18-01-all-the-places-for-patterns.md
index 0374a9a883..4a76aded0a 100644
--- a/second-edition/src/ch18-01-all-the-places-for-patterns.md
+++ b/second-edition/src/ch18-01-all-the-places-for-patterns.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-01-all-the-places-for-patterns.html) instead.
+version of the book](../ch19-01-all-the-places-for-patterns.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-01-all-the-places-for-patterns.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-01-all-the-places-for-patterns.html).
diff --git a/second-edition/src/ch18-02-refutability.md b/second-edition/src/ch18-02-refutability.md
index 2ef5206afd..768df16b25 100644
--- a/second-edition/src/ch18-02-refutability.md
+++ b/second-edition/src/ch18-02-refutability.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-02-refutability.html) instead.
+version of the book](../ch19-02-refutability.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-02-refutability.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-02-refutability.html).
diff --git a/second-edition/src/ch18-03-pattern-syntax.md b/second-edition/src/ch18-03-pattern-syntax.md
index 31c5f79203..08676091e1 100644
--- a/second-edition/src/ch18-03-pattern-syntax.md
+++ b/second-edition/src/ch18-03-pattern-syntax.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch18-03-pattern-syntax.html) instead.
+version of the book](../ch19-03-pattern-syntax.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-03-pattern-syntax.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-03-pattern-syntax.html).
diff --git a/second-edition/src/ch19-00-advanced-features.md b/second-edition/src/ch19-00-advanced-features.md
index f6df05f0aa..3633c0548e 100644
--- a/second-edition/src/ch19-00-advanced-features.md
+++ b/second-edition/src/ch19-00-advanced-features.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-00-advanced-features.html) instead.
+version of the book](../ch20-00-advanced-features.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-00-advanced-features.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-00-advanced-features.html).
diff --git a/second-edition/src/ch19-01-unsafe-rust.md b/second-edition/src/ch19-01-unsafe-rust.md
index 8a9a29c096..0e740ce03d 100644
--- a/second-edition/src/ch19-01-unsafe-rust.md
+++ b/second-edition/src/ch19-01-unsafe-rust.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-01-unsafe-rust.html) instead.
+version of the book](../ch20-01-unsafe-rust.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-01-unsafe-rust.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-01-unsafe-rust.html).
diff --git a/second-edition/src/ch19-03-advanced-traits.md b/second-edition/src/ch19-03-advanced-traits.md
index cc8433fb38..56b9c7e662 100644
--- a/second-edition/src/ch19-03-advanced-traits.md
+++ b/second-edition/src/ch19-03-advanced-traits.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-03-advanced-traits.html) instead.
+version of the book](../ch20-03-advanced-traits.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-03-advanced-traits.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-03-advanced-traits.html).
diff --git a/second-edition/src/ch19-04-advanced-types.md b/second-edition/src/ch19-04-advanced-types.md
index 5081457292..c217a12b5a 100644
--- a/second-edition/src/ch19-04-advanced-types.md
+++ b/second-edition/src/ch19-04-advanced-types.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-04-advanced-types.html) instead.
+version of the book](../ch20-04-advanced-types.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-04-advanced-types.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-04-advanced-types.html).
diff --git a/second-edition/src/ch19-05-advanced-functions-and-closures.md b/second-edition/src/ch19-05-advanced-functions-and-closures.md
index 18d369c60d..6c296b9efe 100644
--- a/second-edition/src/ch19-05-advanced-functions-and-closures.md
+++ b/second-edition/src/ch19-05-advanced-functions-and-closures.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch19-05-advanced-functions-and-closures.html) instead.
+version of the book](../ch20-05-advanced-functions-and-closures.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-05-advanced-functions-and-closures.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-05-advanced-functions-and-closures.html).
diff --git a/second-edition/src/ch20-00-final-project-a-web-server.md b/second-edition/src/ch20-00-final-project-a-web-server.md
index 059d6824c3..0c99ac623b 100644
--- a/second-edition/src/ch20-00-final-project-a-web-server.md
+++ b/second-edition/src/ch20-00-final-project-a-web-server.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-00-final-project-a-web-server.html) instead.
+version of the book](../ch21-00-final-project-a-web-server.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-00-final-project-a-web-server.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-00-final-project-a-web-server.html).
diff --git a/second-edition/src/ch20-01-single-threaded.md b/second-edition/src/ch20-01-single-threaded.md
index 5ff97a2ee1..a06b0cbc1a 100644
--- a/second-edition/src/ch20-01-single-threaded.md
+++ b/second-edition/src/ch20-01-single-threaded.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-01-single-threaded.html) instead.
+version of the book](../ch21-01-single-threaded.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-01-single-threaded.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-01-single-threaded.html).
diff --git a/second-edition/src/ch20-02-multithreaded.md b/second-edition/src/ch20-02-multithreaded.md
index 0695d2451c..8826bd9f1a 100644
--- a/second-edition/src/ch20-02-multithreaded.md
+++ b/second-edition/src/ch20-02-multithreaded.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-02-multithreaded.html) instead.
+version of the book](../ch21-02-multithreaded.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-02-multithreaded.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-02-multithreaded.html).
diff --git a/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md b/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
index eb7ed59879..457b294f90 100644
--- a/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
+++ b/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
@@ -3,8 +3,8 @@
 The second edition of the book is no longer distributed with Rust's documentation.
 
 If you came here via a link or web search, you may want to check out [the current
-version of the book](../ch20-03-graceful-shutdown-and-cleanup.html) instead.
+version of the book](../ch21-03-graceful-shutdown-and-cleanup.html) instead.
 
 If you have an internet connection, you can [find a copy distributed with
 Rust
-1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-03-graceful-shutdown-and-cleanup.html).
\ No newline at end of file
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-03-graceful-shutdown-and-cleanup.html).