diff --git a/doc/clapper/playlistable-enhancers.html b/doc/clapper/playlistable-enhancers.html
index 88e2f768..3b5f6c5e 100644
--- a/doc/clapper/playlistable-enhancers.html
+++ b/doc/clapper/playlistable-enhancers.html
@@ -115,6 +115,7 @@ another playlist) with unlimited amount of nested&nbsp;levels.</p>
 <ul>
 <li><code>X-Data-Prefix</code> - describe text that data should start&nbsp;with</li>
 <li><code>X-Data-Contains</code> - data must contain given&nbsp;phrase</li>
+<li><code>X-Data-Excludes</code> - data must not contain given&nbsp;phrase</li>
 <li><code>X-Data-Regex</code> - regular expression to run on&nbsp;data</li>
 </ul>
 <p>These are used by <code>typefinder</code> to determine whether given data is a playlist for