diff --git a/src/api/application-config.md b/src/api/application-config.md
index dd186df23b..f08321ce90 100644
--- a/src/api/application-config.md
+++ b/src/api/application-config.md
@@ -117,7 +117,7 @@ app.mixin({
   hello: 'Vue'
 })
 
-// 'Hello, Vue
+// 'Hello, Vue'
 ```
 
 Define merging strategies for custom options.