diff --git a/content/desktop/index.md b/content/desktop/index.md
index 99267953cd02..d9d8be4fd3bd 100644
--- a/content/desktop/index.md
+++ b/content/desktop/index.md
@@ -1,3 +1,4 @@
+Sorry, you’re not able to edit this repository directly—you need to fork it and propose your changes from there instead.
 ---
 title: GitHub Desktop Documentation
 shortTitle: GitHub Desktop