diff --git a/matlab/sim1.m b/matlab/sim1.m
index 4e7a3ebb2..55d6fac37 100644
--- a/matlab/sim1.m
+++ b/matlab/sim1.m
@@ -1,5 +1,4 @@
-% Copyright (C) 2001 Michel Juillard
-%
+
 function sim1
 % function sim1
 % performs deterministic simulations with lead or lag on one period
@@ -18,7 +17,7 @@ function sim1
 %   None.
 %  
 %  
-% part of DYNARE, copyright S. Adjemian, M. Juillard (1996-2006)
+% part of DYNARE, copyright Dynare Team (1996-2007)
 % Gnu Public License.
 
 global M_ options_ oo_