diff --git a/aio/content/guide/forms.md b/aio/content/guide/forms.md
index 66f77ba5ff..5ca7140bab 100644
--- a/aio/content/guide/forms.md
+++ b/aio/content/guide/forms.md
@@ -347,7 +347,7 @@ Update it with the following:
 
 ## Revise *app.component.html*
 
-## 修改 *app.component.ts*
+## 修改 *app.component.html*
 
 `AppComponent` is the application's root component. It will host the new `HeroFormComponent`.