diff -r d666f11ca2d4 -r 51e70b7bc315 doc-src/TutorialI/Protocol/Event.thy
--- a/doc-src/TutorialI/Protocol/Event.thy	Fri May 18 17:18:43 2001 +0200
+++ b/doc-src/TutorialI/Protocol/Event.thy	Sat May 19 12:19:23 2001 +0200
@@ -27,7 +27,7 @@
   knows  :: "agent => event list => msg set"
 
 
-(*"spies" is retained for compability's sake*)
+(*"spies" is retained for compatibility's sake*)
 syntax
   spies  :: "event list => msg set"