1.1 --- a/src/HOL/Coinduction.thy	Sun Nov 02 18:21:14 2014 +0100
     1.2 +++ b/src/HOL/Coinduction.thy	Sun Nov 02 18:21:45 2014 +0100
     1.3 @@ -6,7 +6,7 @@
     1.4  Coinduction method that avoids some boilerplate compared to coinduct.
     1.5  *)
     1.6  
     1.7 -header {* Coinduction Method *}
     1.8 +section {* Coinduction Method *}
     1.9  
    1.10  theory Coinduction
    1.11  imports Ctr_Sugar