--- a/src/HOL/ex/Transitive_Closure_Table_Ex.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/ex/Transitive_Closure_Table_Ex.thy Sun Nov 02 18:21:45 2014 +0100
@@ -1,6 +1,6 @@
(* Author: Stefan Berghofer, Lukas Bulwahn, TU Muenchen *)
-header {* Simple example for table-based implementation of the reflexive transitive closure *}
+section {* Simple example for table-based implementation of the reflexive transitive closure *}
theory Transitive_Closure_Table_Ex
imports "~~/src/HOL/Library/Transitive_Closure_Table"