diff --git a/Manuals/Docbook/Licenses/Gfdl/section-11.docbook b/Manuals/Docbook/Licenses/Gfdl/section-11.docbook
index 4399112..a97aa94 100644
--- a/Manuals/Docbook/Licenses/Gfdl/section-11.docbook
+++ b/Manuals/Docbook/Licenses/Gfdl/section-11.docbook
@@ -7,7 +7,7 @@
     versions of the GNU Free Documentation License from time to time.
     Such new versions will be similar in spirit to the present
     version, but may differ in detail to address new problems or
-    concerns.  See @url{http://www.gnu.org/copyleft/}.</para>
+    concerns.  See <ulink url="http://www.gnu.org/copyleft/" />.</para>
 
     <para>Each version of the License is given a distinguishing
     version number.  If the Document specifies that a particular