The why movie was not visible on the index.html page

I fixed manyally on the web site.

Author: jantje

Eclipse update site/WebContent/index.shtml

@@ -46,7 +46,7 @@
         	<a href="learn.shtml" class="btn btn-primary btn-lg" role="button">Learn more &raquo;</a>
         	<a href="donate.shtml" class="btn btn-success btn-lg pull-right" role="button">Support me on Patreon!</a>
         </p>
-        <iframe width="560" height="315" src="https://www.youtube.com/watch?v=zc2JLbtbI7Q" frameborder="0" allowfullscreen></iframe>
+        <iframe width="560" height="315" src="https://www.youtube.com/embed/zc2JLbtbI7Q" frameborder="0" allowfullscreen></iframe>
 
       </div>
       <div class="row">