diff --git a/examples/css-exercises.md b/examples/css-exercises.md
index b7c6ab103..565545ab6 100644
--- a/examples/css-exercises.md
+++ b/examples/css-exercises.md
@@ -14,8 +14,6 @@ Based on the file list provided, it seems like this repository contains a collec
 
 ```diff
 + Added animation/03-dropdown-menu/README.md to the chat
-```
-```diff
 + Added animation/03-dropdown-menu/README.md to the chat
 ```