Added 'application/vnd.ms-powerpoint' to list of mime types.
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index bb155ea..e93088c 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -62,7 +62,9 @@
<p>Release Date: not currently released</p>
<ul>
<li>No additions currently listed</li>
- </ul>
+ <li>Added 'application/vnd.ms-powerpoint' to list of mime types.<br />
+ </li>
+</ul>
<h3>Bugfixes for 1.6.2</h3>
<ul>
<li>Fixed assorted user guide typos (#3453)</li>