Port #17332 to v4

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 03c047782fd43701172630eabb2cd73fb74f7b98..ff89537ba939f80740c3e162a93244a816d16c30 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -27,6 +27,7 @@ restrictions:
 * Please **do not** open issues or pull requests regarding the code in
   [`Normalize`](https://github.com/necolas/normalize.css) (open them in
   their respective repositories).
+* Please **do not** open issues regarding the official themes offered on <http://themes.getbootstrap.com/>. Instead, please email any questions or feedback regarding those themes to `themes AT getbootstrap DOT com`.
 
 
 ## Issues and labels