src/HOL/Auth/OtwayRees_AN.thy

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