diff -r 9537bf1c4853 -r 5b7a9633cfa8 src/HOL/Proofs/Lambda/InductTermi.thy
--- a/src/HOL/Proofs/Lambda/InductTermi.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/Proofs/Lambda/InductTermi.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -7,7 +7,7 @@
 rediscovered by Matthes and Joachimski.
 *)
 
-header {* Inductive characterization of terminating lambda terms *}
+section {* Inductive characterization of terminating lambda terms *}
 
 theory InductTermi imports ListBeta begin