diff --git a/docs/content/3.docs/1.usage/3.meta-tags.md b/docs/content/3.docs/1.usage/3.meta-tags.md
index fb4ad7ce9a..3434843e2e 100644
--- a/docs/content/3.docs/1.usage/3.meta-tags.md
+++ b/docs/content/3.docs/1.usage/3.meta-tags.md
@@ -48,7 +48,7 @@ Because these component names match native HTML elements, it is very important t
 
 For example:
 
-```vue
+```html{}[app.vue]
 <template>
   <div>
     Hello World