diff --git a/matlab/describe_missing_data.m b/matlab/describe_missing_data.m
index 97d16a9f5..84712b050 100644
--- a/matlab/describe_missing_data.m
+++ b/matlab/describe_missing_data.m
@@ -1,5 +1,22 @@
 function [data_index,number_of_observations,no_more_missing_observations] = describe_missing_data(data,gend,nvarobs)
 
+% Copyright (C) 2008 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
 [variable_index,observation_index] = find(~isnan(data));
 
 data_index = cell(1,gend);