diff --git a/cookbook/11-dom-event-listeners.md b/cookbook/11-dom-event-listeners.md
index 1336953a..d0a89a5a 100644
--- a/cookbook/11-dom-event-listeners.md
+++ b/cookbook/11-dom-event-listeners.md
@@ -24,10 +24,10 @@ var Box = React.createClass({
     this.setState({windowWidth: window.innerWidth});
   },
   componentDidMount: function() {
-    window.addEventListener("resize", this.handleResize);
+    window.addEventListener('resize', this.handleResize);
   },
   componentWillUnmount: function() {
-    window.removeEventListener("resize", this.handleResize);
+    window.removeEventListener('resize', this.handleResize);
   },
   render: function() {
     return <div>Current window width: {this.state.windowWidth}</div>;
diff --git a/cookbook/12-initial-ajax.md b/cookbook/12-initial-ajax.md
index af867670..700fdcd3 100644
--- a/cookbook/12-initial-ajax.md
+++ b/cookbook/12-initial-ajax.md
@@ -41,6 +41,7 @@ var UserGist = React.createClass({
 });
 
 React.renderComponent(
-  <UserGist source="https://api.github.com/users/octocat/gists" />, mountNode
+  <UserGist source="https://api.github.com/users/octocat/gists" />,
+  mountNode
 );
 ```