diff --git a/docs/ref-09-webcomponents.md b/docs/ref-09-webcomponents.md
index 3442bcfc..9e26f250 100644
--- a/docs/ref-09-webcomponents.md
+++ b/docs/ref-09-webcomponents.md
@@ -36,7 +36,7 @@ class HelloMessage extends React.Component{
 
 ```javascript
 var proto = Object.create(HTMLElement.prototype, {
-  createdCallback: {
+  attachedCallback: {
     value: function() {
       var mountPoint = document.createElement('span');
       this.createShadowRoot().appendChild(mountPoint);
diff --git a/docs/ref-09-webcomponents.zh-CN.md b/docs/ref-09-webcomponents.zh-CN.md
index 6297f001..7def20fc 100644
--- a/docs/ref-09-webcomponents.zh-CN.md
+++ b/docs/ref-09-webcomponents.zh-CN.md
@@ -36,7 +36,7 @@ class HelloMessage extends React.Component{
 
 ```javascript
 var proto = Object.create(HTMLElement.prototype, {
-  createdCallback: {
+  attachedCallback: {
     value: function() {
       var mountPoint = document.createElement('span');
       this.createShadowRoot().appendChild(mountPoint);