diff -r 0baae4311a9f -r b9556a055632 src/HOL/Library/ContNotDenum.thy
--- a/src/HOL/Library/ContNotDenum.thy	Sun Nov 02 17:16:01 2014 +0100
+++ b/src/HOL/Library/ContNotDenum.thy	Sun Nov 02 17:20:45 2014 +0100
@@ -3,7 +3,7 @@
     Author:     Johannes Hölzl, TU München
 *)
 
-header {* Non-denumerability of the Continuum. *}
+section {* Non-denumerability of the Continuum. *}
 
 theory ContNotDenum
 imports Complex_Main Countable_Set