diff --git a/index.html b/index.html
index fdc4dc4..9b36c5d 100644
--- a/index.html
+++ b/index.html
@@ -374,6 +374,7 @@ configuration options:
 <li><a href="http://w3c.github.com/tidy-html5/quickref.html#coerce-endtags">coerce-endtags</a>
 <li><a href="http://w3c.github.com/tidy-html5/quickref.html#drop-empty-elements">drop-empty-elements</a>
 <li><a href="http://w3c.github.com/tidy-html5/quickref.html#merge-emphasis">merge-emphasis</a>
+<li><a href="http://w3c.github.com/tidy-html5/quickref.html#omit-optional-tags">omit-optional-tags</a>
 </ul>
 <p>In addition, it also adds a new <code>html5</code> value for the
 <a href="http://w3c.github.com/tidy-html5/quickref.html#doctype">doctype</a>