diff --git a/templates/content-about.tpl.html b/templates/content-about.tpl.html
index ba96f36..5568c11 100644
--- a/templates/content-about.tpl.html
+++ b/templates/content-about.tpl.html
@@ -680,7 +680,7 @@
   Once you are ready press the <strong>recording</strong> button, select <em>multichannel</em> and then <em>start</em>. 
   That will record multiple tracks, one for each participant which you can edit and then submit.
   <br />
-  Kwisher made a <a href="<!--% absolute_url(baseurl) %-->Mumble-How-To.pdf">Mumble tutorial</a> 
+  Kwisher made a <a href="<!--% absolute_url(baseurl) %-->mumble-howto">Mumble tutorial</a> 
   which you might find useful and <a href="<!--% absolute_url(baseurl) %-->correspondents/0228.html">Delwin</a> 
   has produced a number of short shows on how to configure the audio quality.
   </p>