diff --git a/Manuals/Docbook/Licenses/Gfdl/section-6.docbook b/Manuals/Docbook/Licenses/Gfdl/section-6.docbook
index eb10fff..26ab73c 100644
--- a/Manuals/Docbook/Licenses/Gfdl/section-6.docbook
+++ b/Manuals/Docbook/Licenses/Gfdl/section-6.docbook
@@ -1,11 +1,11 @@
 <?xml version="1.0"?>
-<section id="sec-licenses-gfdl-5" xreflabel="``Combining documents''">
+<section id="licenses-gfdl-section-6" xreflabel="Combining documents">
 
     <title>Combining documents</title>
 
     <para>You may combine the Document with other documents released
     under this License, under the terms defined in section <xref
-    linkend="sec-licenses-gfdl-4"/> above for modified versions,
+    linkend="licenses-gfdl-section-5" /> above for modified versions,
     provided that you include in the combination all of the Invariant
     Sections of all of the original documents, unmodified, and list
     them all as Invariant Sections of your combined work in its