diff --git a/1-js/13-modules/02-import-export/article.md b/1-js/13-modules/02-import-export/article.md
index c0bc5f96..6059491a 100644
--- a/1-js/13-modules/02-import-export/article.md
+++ b/1-js/13-modules/02-import-export/article.md
@@ -151,7 +151,7 @@ say.*!*hi*/!*('John'); // Hello, John!
 say.*!*bye*/!*('John'); // Bye, John!
 ```
 
-## export default
+## Export default
 
 In practice, there are mainly two kinds of modules.