diff -r 9537bf1c4853 -r 5b7a9633cfa8 src/HOL/UNITY/FP.thy
--- a/src/HOL/UNITY/FP.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/UNITY/FP.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -5,7 +5,7 @@
 From Misra, "A Logic for Concurrent Programming", 1994
 *)
 
-header{*Fixed Point of a Program*}
+section{*Fixed Point of a Program*}
 
 theory FP imports UNITY begin