--- a/src/HOL/Quotient.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Quotient.thy Sun Nov 02 18:21:45 2014 +0100
@@ -2,7 +2,7 @@
Author: Cezary Kaliszyk and Christian Urban
*)
-header {* Definition of Quotient Types *}
+section {* Definition of Quotient Types *}
theory Quotient
imports Lifting