diff --git a/doc/project.conf.xml b/doc/project.conf.xml
index 9939c25..1453ec7 100644
--- a/doc/project.conf.xml
+++ b/doc/project.conf.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="iso-8859-15"?>
 <!-- $Id$ -->
-<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 	<!ENTITY firstname "Pierre">
 	<!ENTITY surname   "Pronchery">