message: Fix typo on demo page
diff: <li><a href="/sharedText/{{emptyMoniker}}?template=empty">Starter Document</a></li>
  </ul>
  - <h3>Distributive Data Type Apps</h3>
  + <h3>Distributed Data Type Apps</h3>
  <ul class="list-unstyled">
  <li><a href="/youtubeVideo/{{videoMoniker}}">Video player</a></li>
  </ul>
  