diff -r 1daec107e6ab -r 2807ec31d144 Cookbook/main.html
--- a/Cookbook/main.html	Tue May 21 15:52:33 2024 +0100
+++ b/Cookbook/main.html	Tue Jan 07 12:42:42 2025 +0000
@@ -95,7 +95,7 @@
 
 A 
 <A HREF="https://cflmark.nms.kcl.ac.uk/hg/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="https://cflmark.nms.kcl.ac.uk/hg/isabelle-cookbook/raw-file/tip/progtutorial.pdf" target="_top" onclick="pageTracker._trackPageview('tutorial');">here</A>. 
+is available and you are very welcome to contribute to it. The current draft of the tutorial is <A HREF="https://cflmark.nms.kcl.ac.uk/hg/isabelle-cookbook/raw-file/tip/progtutorial.pdf">here</A>. 
 
 <H3>Stable Version</H3>