diff -r 9537bf1c4853 -r 5b7a9633cfa8 src/HOL/Codegenerator_Test/Generate_Target_Nat.thy
--- a/src/HOL/Codegenerator_Test/Generate_Target_Nat.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Codegenerator_Test/Generate_Target_Nat.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -1,7 +1,7 @@
 
 (* Author: Florian Haftmann, TU Muenchen *)
 
-header {* Pervasive test of code generator *}
+section {* Pervasive test of code generator *}
 
 theory Generate_Target_Nat
 imports