Merge pull request #13799 from hnrch02/update-generated-markup

Update generated markup by the tooltip plugin in docs; fixes #13796

docs/_includes/js/tooltips.html

@@ -63,11 +63,11 @@ $('#example').tooltip(options)
 <a href="#" data-toggle="tooltip" title="Some tooltip text!">Hover over me</a>
 
 <!-- Generated markup by the plugin -->
-<div class="tooltip top">
+<div class="tooltip top" role="tooltip">
+  <div class="tooltip-arrow"></div>
   <div class="tooltip-inner">
     Some tooltip text!
   </div>
-  <div class="tooltip-arrow"></div>
 </div>
 {% endhighlight %}