add link to bootstrapcdn

help/index.html

@@ -96,7 +96,8 @@
         <div class="col-lg-9">
 
             <h1 id="quickstart">Quick Start</h1>
-            <p>Using a theme is as easy as downloading a CSS file and replacing the one that comes with <a href="http://getbootstrap.com" target="_blank">Bootstrap</a>.</p>
+            <p>Using the themes is as easy as downloading a CSS file and replacing the one that comes with <a href="http://getbootstrap.com" target="_blank">Bootstrap</a>.</p>
+            <p>The themes are also available via CDN at <a href="http://www.bootstrapcdn.com/#bootswatch_tab">BootstrapCDN</a>.</p>
 
             <h1 id="customization">Customization</h1>
             <p>To modify a theme or create your own, follow the steps below in your terminal. You'll need to have <a href="https://help.github.com/articles/set-up-git" target="_blank">Git</a> and <a href="http://nodejs.org/" target="_blank">Node</a> installed.</p>