From b07c611bf1b9bf28ccce7bdb4b25a236d19f044f Mon Sep 17 00:00:00 2001
From: Kornel <kornel@geekhood.net>
Date: Thu, 17 Oct 2024 11:14:51 +0100
Subject: [PATCH] Help with [patch.crates.io]

---
 src/cargo/util/toml/mod.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/cargo/util/toml/mod.rs b/src/cargo/util/toml/mod.rs
index 85dcc1a0540..5b29c750937 100644
--- a/src/cargo/util/toml/mod.rs
+++ b/src/cargo/util/toml/mod.rs
@@ -1920,8 +1920,13 @@ fn patch(
                 .or_else(|_| toml_url.into_url())
                 .with_context(|| {
                     format!(
-                        "[patch] entry `{}` should be a URL or registry name",
-                        toml_url
+                        "[patch] entry `{}` should be a URL or registry name{}",
+                        toml_url,
+                        if toml_url == "crates" {
+                            "\nFor crates.io, use [patch.crates-io] (with a dash)"
+                        } else {
+                            ""
+                        }
                     )
                 })?,
         };