diff -r 8cee34f58582 -r 67819579944b Cookbook/main.html
--- a/Cookbook/main.html	Fri Jun 03 11:08:09 2016 +0100
+++ b/Cookbook/main.html	Wed Jun 15 13:25:36 2016 +0100
@@ -96,8 +96,8 @@
 <H3>Repository</H3>
 
 A preliminary 
-<A HREF="http://www21.in.tum.de/~urbanc/cgi-bin/repos.cgi/isabelle-cookbook" target="_top">repository</A>
-is available and you are very welcome to contribute to it. The current draft of the tutorial is <A HREF="http://www21.in.tum.de/~urbanc/cgi-bin/repos.cgi/isabelle-cookbook/raw-file/tip/progtutorial.pdf" target="_top" onclick="pageTracker._trackPageview('tutorial');">here</A>. 
+<A HREF="http://www.inf.kcl.ac.uk/staff/urbanc/cgi-bin/repos.cgi/isabelle-cookbook" target="_top">repository</A>
+is available and you are very welcome to contribute to it. The current draft of the tutorial is <A HREF="http://www.inf.kcl.ac.uk/staff/urbanc/cgi-bin/repos.cgi/isabelle-cookbook/raw-file/tip/progtutorial.pdf" target="_top" onclick="pageTracker._trackPageview('tutorial');">here</A>. 
 
 <H3>Stable Version</H3>