--- a/src/HOL/Hahn_Banach/Zorn_Lemma.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Hahn_Banach/Zorn_Lemma.thy Sun Nov 02 18:21:45 2014 +0100
@@ -2,7 +2,7 @@
Author: Gertrud Bauer, TU Munich
*)
-header \<open>Zorn's Lemma\<close>
+section \<open>Zorn's Lemma\<close>
theory Zorn_Lemma
imports Main