src/CCL/ex/Flag.thy

--- a/src/CCL/ex/Flag.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/CCL/ex/Flag.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1993  University of Cambridge
 *)
 
-header {* Dutch national flag program -- except that the point of Dijkstra's example was to use
+section {* Dutch national flag program -- except that the point of Dijkstra's example was to use
   arrays and this uses lists. *}
 
 theory Flag