Add a link to rust-forge to explain where rdg changes should be submitted
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
diff --git a/src/contributing.md b/src/contributing.md
index 46d74b9..b3fcd79 100644
--- a/src/contributing.md
+++ b/src/contributing.md
@@ -434,6 +434,10 @@
it might benefit from having a Table of Contents at the beginning,
which you can auto-generate by including the `<!-- toc -->` marker at the top.
+#### ⚠️ Note: Where to contribute `rustc-dev-guide` changes
+
+For detailed information about where to contribute rustc-dev-guide changes and the benefits of doing so, see [the rustc-dev-guide working group documentation](https://forge.rust-lang.org/wg-rustc-dev-guide/index.html#where-to-contribute-rustc-dev-guide-changes).
+
## Issue triage
Please see <https://forge.rust-lang.org/release/issue-triaging.html>.
