diff --git a/Grid/qcd/smearing/JacobianAction.h b/Grid/qcd/smearing/JacobianAction.h
index 2ab2c083..6db59bec 100644
--- a/Grid/qcd/smearing/JacobianAction.h
+++ b/Grid/qcd/smearing/JacobianAction.h
@@ -2,15 +2,11 @@
 
 Grid physics library, www.github.com/paboyle/Grid
 
-Source file: ./lib/qcd/action/gauge/WilsonGaugeAction.h
+Source file: ./lib/qcd/action/gauge/JacobianAction.h
 
 Copyright (C) 2015
 
-Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
 Author: Peter Boyle <paboyle@ph.ed.ac.uk>
-Author: neo <cossu@post.kek.jp>
-Author: paboyle <paboyle@ph.ed.ac.uk>
-Author: Guido Cossu <guido.cossu@ed.ac.uk>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by