--- a/src/HOL/HOLCF/Product_Cpo.thy Sun Nov 02 17:14:15 2014 +0100
+++ b/src/HOL/HOLCF/Product_Cpo.thy Sun Nov 02 17:16:01 2014 +0100
@@ -2,7 +2,7 @@
Author: Franz Regensburger
*)
-header {* The cpo of cartesian products *}
+section {* The cpo of cartesian products *}
theory Product_Cpo
imports Adm