diff --git a/docs/en/programmers/api-functions.xml b/docs/en/programmers/api-functions.xml
index 6591f430..0227dda0 100644
--- a/docs/en/programmers/api-functions.xml
+++ b/docs/en/programmers/api-functions.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
 <!-- $Revision$ -->
-   <chapter id="api.functions">
+   <reference id="api.functions">
      <title>Methods</title>
+     <titleabbrev>ploop</titleabbrev>
+     <partintro>
+     </partintro>      
 &programmers.api-functions.api-append;
 &programmers.api-functions.api-append-by-ref;
 &programmers.api-functions.api-assign;
@@ -41,7 +44,8 @@
 &programmers.api-functions.api-unregister-postfilter;
 &programmers.api-functions.api-unregister-prefilter;
 &programmers.api-functions.api-unregister-resource;
-</chapter>
+
+</reference>
 <!-- Keep this comment at the end of the file
 Local variables:
 mode: sgml