diff --git a/_manual/25_using-control-surfaces/02_mackie-control-protocol/05_working-with-extenders.html b/_manual/25_using-control-surfaces/02_mackie-control-protocol/05_working-with-extenders.html
index 81f8606..7d11df8 100644
--- a/_manual/25_using-control-surfaces/02_mackie-control-protocol/05_working-with-extenders.html
+++ b/_manual/25_using-control-surfaces/02_mackie-control-protocol/05_working-with-extenders.html
@@ -12,11 +12,11 @@ menu_title: Working With Extenders
   and on the right. While these files will work for many uses there may
   be cases where a custom device profile makes more sense. 
   The best way is to start with the *.device file in the <a
-  href="/appendix/files-and-directories/">
-  sytem config sub directory mcp</a> that matches your
+  href="https://github.com/Ardour/ardour/tree/master/mcp">
+  Source Tree</a> that matches your
   master device and copy it to a new name such as xt+mc.device in the
   <a href="/appendix/files-and-directories/">
-  user config sub directory mcp</a> and then edit that file. It is best to
+  user config</a> sub directory <code>mcp</code> and then edit that file. It is best to
   name the file with the order the devices are expected to be used in as
   the position of the master device is specified in this file.
 </p>