src/HOL/ex/BinEx.thy

--- a/src/HOL/ex/BinEx.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/ex/BinEx.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1998  University of Cambridge
 *)
 
-header {* Binary arithmetic examples *}
+section {* Binary arithmetic examples *}
 
 theory BinEx
 imports Complex_Main