--- a/src/HOL/Number_Theory/Gauss.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Number_Theory/Gauss.thy Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
Ported by lcp but unfinished
*)
-header {* Gauss' Lemma *}
+section {* Gauss' Lemma *}
theory Gauss
imports Residues