diff --git a/src/v2/style-guide/index.md b/src/v2/style-guide/index.md
index f88fdb2f02..1a806fe8e2 100644
--- a/src/v2/style-guide/index.md
+++ b/src/v2/style-guide/index.md
@@ -1717,7 +1717,10 @@ By default, Vue updates the DOM as efficiently as possible. That means when swit
 #### Good
 
 ``` html
-<div v-if="error" key="search-status">
+<div
+  v-if="error"
+  key="search-status"
+>
   Error: {{ error }}
 </div>
 <div v-else key="search-results">