update components.html (<a> tag was not closed correctly.

docs/components.html

@@ -1251,7 +1251,7 @@ document
 
 {% highlight html %}
 <!-- Use data-ignore="push" to prevent the push.js interception -->
-<a href="http://www.google.com" data-ignore="push">Google<a>
+<a href="http://www.google.com" data-ignore="push">Google</a>
 {% endhighlight %}
 
         <p class="component-description">Push.js binds an event to the document that returns a detail object and can be used to fire a callback.</p>