diff -r 9537bf1c4853 -r 5b7a9633cfa8 src/HOL/Auth/Smartcard/Auth_Smartcard.thy
--- a/src/HOL/Auth/Smartcard/Auth_Smartcard.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Auth/Smartcard/Auth_Smartcard.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -2,7 +2,7 @@
     Copyright   1996  University of Cambridge
 *)
 
-header {* Smartcard protocols: rely on conventional Message and on new EventSC and Smartcard *}
+section {* Smartcard protocols: rely on conventional Message and on new EventSC and Smartcard *}
 
 theory Auth_Smartcard
 imports