--- a/CookBook/Intro.thy	Wed Mar 11 13:42:03 2009 +0000
+++ b/CookBook/Intro.thy	Wed Mar 11 17:38:17 2009 +0000
@@ -130,7 +130,7 @@
 
   \item {\bf Sascha Böhme} contributed the recipes in \ref{rec:timeout}, 
   \ref{rec:config}, \ref{rec:storingdata}, \ref{rec:external} and \ref{rec:oracle}.
-  He also wrote section \ref{sec:conversion}.
+  He also wrote section \ref{sec:conversion} and helped with recipe \ref{rec:timing}.
 
   \item {\bf Jeremy Dawson} wrote the first version of the chapter
   about parsing.