diff --git a/source/guide/components.md b/source/guide/components.md
index 69e8545a95..397075f2d3 100644
--- 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"></p>
+  <child-component child-msg="{{parentMsg}}"></child-component>
 </div>
 ```