diff --git a/Shorewall-docs/whitelisting_under_shorewall.xml b/Shorewall-docs/whitelisting_under_shorewall.xml
index d24cd5ed4..e4087703a 100644
--- a/Shorewall-docs/whitelisting_under_shorewall.xml
+++ b/Shorewall-docs/whitelisting_under_shorewall.xml
@@ -19,7 +19,7 @@
 			document under the terms of the GNU Free Documentation License, Version
 			1.2 or any later version published by the Free Software Foundation; with
 			no Invariant Sections, with no Front-Cover, and with no Back-Cover
-			Texts. A copy of the license is included in the section entitled <quote><ulink url="Copyright.htm" type="">GNU Free Documentation License</ulink></quote>.
+			Texts. A copy of the license is included in the section entitled <quote><ulink url="copyright.htm" type="">GNU Free Documentation License</ulink></quote>.
 			</para>
     </legalnotice>
   </articleinfo>