diff --git a/reference/dom/domdocument/registernodeclass.xml b/reference/dom/domdocument/registernodeclass.xml
index 30249fd66c..54a7f10187 100644
--- a/reference/dom/domdocument/registernodeclass.xml
+++ b/reference/dom/domdocument/registernodeclass.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <refentry xml:id="domdocument.registernodeclass" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>DOMDocument::registerNodeClass</refname>
@@ -31,7 +31,7 @@
      <listitem>
       <para>
        The DOM class that you want to extend. You can find a list of these 
-       classes in the chapter introduction.
+       classes in the <link linkend="book.dom">chapter introduction</link>.
       </para>
       <para>
        Of course, you won't be able to register a class extending DOMDocument