diff -r 0baae4311a9f -r b9556a055632 src/HOL/Library/Debug.thy
--- a/src/HOL/Library/Debug.thy	Sun Nov 02 17:16:01 2014 +0100
+++ b/src/HOL/Library/Debug.thy	Sun Nov 02 17:20:45 2014 +0100
@@ -1,6 +1,6 @@
 (* Author: Florian Haftmann, TU Muenchen *)
 
-header {* Debugging facilities for code generated towards Isabelle/ML *}
+section {* Debugging facilities for code generated towards Isabelle/ML *}
 
 theory Debug
 imports Main