update paramAttributes demo in guide/components

wahaha2012 · wahaha2012 · commit c48d22b4fea9 · 2015-03-12T17:18:15.000+08:00
diff --git a/source/guide/components.md b/source/guide/components.md
@@ -169,7 +169,7 @@ It is also possible to use the [`paramAttributes`](/api/options.html#paramAttrib
 ``` html
 <div id="demo-3">
   <input v-model="parentMsg">
-  <child-component child-msg="parentMsg"></child-component>
+  <child-component child-msg="{{parentMsg}}"></child-component>
 </div>
 ```
 
