diff -r 2d9198bcb850 -r 3e94ccc0f31e CookBook/Tactical.thy
--- a/CookBook/Tactical.thy	Mon Feb 23 17:08:15 2009 +0000
+++ b/CookBook/Tactical.thy	Tue Feb 24 01:30:15 2009 +0000
@@ -1196,7 +1196,7 @@
 (*<*)oops(*>*)
 
 text {*
-  As usual with simplification you have to worry about looping: you already have
+  As usual with rewriting you have to worry about looping: you already have
   a loop with @{ML plus_one_sp}, if you apply it with the default simpset (because
   the default simpset contains a rule which just does the opposite of @{ML plus_one_sp},
   namely rewriting @{text [quotes] "+ 1"} to a successor). So you have to be careful