--- a/src/HOL/IMP/Small_Step.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/IMP/Small_Step.thy Sun Nov 02 18:21:45 2014 +0100
@@ -1,4 +1,4 @@
-header "Small-Step Semantics of Commands"
+section "Small-Step Semantics of Commands"
theory Small_Step imports Star Big_Step begin