From ff4febf8eafa86bc7a3130d68f81c852a9da3661 Mon Sep 17 00:00:00 2001
From: Peter Gerber <peter@arbitrary.ch>
Date: Sat, 1 Apr 2017 15:58:37 +0200
Subject: [PATCH] Improve documentation for `std::fs::DirBuilder`

---
 src/libstd/fs.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs
index ca26dc9527c04..1b00eb95de2bc 100644
--- a/src/libstd/fs.rs
+++ b/src/libstd/fs.rs
@@ -1726,9 +1726,9 @@ impl DirBuilder {
         }
     }
 
-    /// Indicate that directories create should be created recursively, creating
-    /// all parent directories if they do not exist with the same security and
-    /// permissions settings.
+    /// Indicates that directories should be created recursively, creating all
+    /// parent directories. Parents that do not exist are created with the same
+    /// security and permissions settings.
     ///
     /// This option defaults to `false`.
     ///
@@ -1749,6 +1749,9 @@ impl DirBuilder {
     /// Create the specified directory with the options configured in this
     /// builder.
     ///
+    /// It is considered an error if the directory already exists unless
+    /// recursive mode is enabled.
+    ///
     /// # Examples
     ///
     /// ```no_run