--- a/src/HOL/Auth/Yahalom.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Auth/Yahalom.thy Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
Copyright 1996 University of Cambridge
*)
-header{*The Yahalom Protocol*}
+section{*The Yahalom Protocol*}
theory Yahalom imports Public begin