src/HOL/Auth/Guard/Guard.thy

--- a/src/HOL/Auth/Guard/Guard.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Auth/Guard/Guard.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   2002  University of Cambridge
 *)
 
-header{*Protocol-Independent Confidentiality Theorem on Nonces*}
+section{*Protocol-Independent Confidentiality Theorem on Nonces*}
 
 theory Guard imports Analz Extensions begin