diff --git a/docs/useful_links.xml b/docs/useful_links.xml
index 7855a9506..a4c49f60d 100644
--- a/docs/useful_links.xml
+++ b/docs/useful_links.xml
@@ -99,7 +99,7 @@
 
         <row>
           <entry>Tom's 2007 LinuxFest NW Presentation: <ulink
-          url="http://www.shorewall.net/Linuxfest2007.pdf">http://www.shorewall.net/Linuxfest2007.pdf</ulink></entry>
+          url="http://www.shorewall.net/Linuxfest-2007.pdf">http://www.shorewall.net/Linuxfest-2007.pdf</ulink></entry>
         </row>
 
         <row>