diff -r 9537bf1c4853 -r 5b7a9633cfa8 src/HOL/Metis.thy
--- a/src/HOL/Metis.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Metis.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -4,7 +4,7 @@
     Author:     Jasmin Blanchette, TU Muenchen
 *)
 
-header {* Metis Proof Method *}
+section {* Metis Proof Method *}
 
 theory Metis
 imports ATP