diff --git a/components/modal/index.en-US.md b/components/modal/index.en-US.md
index cfef06f3cc..8360afc114 100644
--- a/components/modal/index.en-US.md
+++ b/components/modal/index.en-US.md
@@ -36,10 +36,10 @@ and so on.
 #### Destroy on close
 
 > The state of Modal will be preserved at it's component lifecircle.
-> If you wish to open it with brand new state everytime, you need to reset state manually. Or simply [give a new random key](https://github.com/ant-design/ant-design/issues/4165) to Modal when visible is changed to `true`, React will treat it as a new component.
+> If you wish to open it with brand new state everytime, you need to reset state manually. Or simply [give a new key](https://github.com/ant-design/ant-design/issues/4165) to Modal when visible is changed to `true`, React will treat it as a new component.
 
 > ```
-> <Modal key={this.state.newRandomKey} visible={this.state.visible} />
+> <Modal key={this.state.newKey} visible={this.state.visible} />
 > ```
 
 ### Modal.xxx()
diff --git a/components/modal/index.zh-CN.md b/components/modal/index.zh-CN.md
index e8eb83afd8..4a628b141a 100644
--- a/components/modal/index.zh-CN.md
+++ b/components/modal/index.zh-CN.md
@@ -38,7 +38,7 @@ title: Modal
 > 如果希望每次打开都是新内容，需要自行手动清空旧的状态。或者打开时给 Modal 设置一个[全新的 key](https://github.com/ant-design/ant-design/issues/4165)， React 会渲染出一个全新的对话框。
 
 > ```
-> <Modal key={this.state.newRandomKey} visible={this.state.visible} />
+> <Modal key={this.state.newKey} visible={this.state.visible} />
 > ```
 
 ### Modal.xxx()