diff --git a/README.md b/README.md
index 2bba0361d3..44bbf811ab 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ React is a JavaScript library for building user interfaces.
 
 We have several examples [on the website](https://facebook.github.io/react/). Here is the first one to get you started:
 
-```js
+```jsx
 class HelloMessage extends React.Component {
   render() {
     return <div>Hello {this.props.name}</div>;