Fix typo in comment of jquery-bootstrap example

Author: rileytomasek

examples/jquery-bootstrap/js/app.js

@@ -12,7 +12,7 @@ var BootstrapButton = React.createClass({
 });
 
 var BootstrapModal = React.createClass({
-  // The following two methods are the only places we need to
+  // The following four methods are the only places we need to
   // integrate with Bootstrap or jQuery!
   componentDidMount: function() {
     // When the component is added, turn it into a modal