diff --git a/docs/tutorial.md b/docs/tutorial.md
index c9a51bd17..dcbd7e89d 100644
--- a/docs/tutorial.md
+++ b/docs/tutorial.md
@@ -303,7 +303,7 @@ React.renderComponent(
 
 Now that the data is available in the `CommentList`, let's render the comments dynamically:
 
-```javascript{4-6}
+```javascript{4-6,9}
 // tutorial10.js
 var CommentList = React.createClass({
   render: function() {