Video Modal

I'm having issues getting the video to load properly. Window pops-up, video doesn't display.

Looking at the URL structure, I'm missing a question mark that treehouse has and I do not. Is this the issue? How to fix?

Thanks for your input!

Treehouse index.html?#videoModal

Me index.html#videoModal

<div class="row"> <div class="col-sm-6 hidden-xs"> <h3>Learn how to make this app for yourself</h3> <p> We will build on the concepts learned in previous iOS projects to create an app that will allow users to send photo or video messages to other users that will be deleted once viewed. </p> <div class="row th-copy"> <div class="col-sm-6"> <a data-toggle="modal" href="#videoModal"> <img class="img-responsive img-rounded" src="img/thumb_ribbit.jpg"> </a> </div> <div class="col-sm-5"> <p><em>Get access to courses for only $24 a month!</em></p> <a href="#">Visit Treehouse »</a> </div> </div> </div>

<!-- Video Modal -->
<div class="modal fade" id="videoModal">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" date-dismiss="modal" aria-hidden="true">&times;</button>
        <h4 class="modal-title">Learn how to make this app!</h4>
      </div>
      <div class="modal-body">
        <iframe width="500" height="281" src"http://www.youtube.com/embed/hTf0CgRC1_Q" frameborder="0"></iframe>
      </div>
    </div>
  </div>
</div>
<!-- End Video Modal -->