diff --git a/matlab/marginal_density.m b/matlab/marginal_density.m
index ac524c1c7..26b87b284 100644
--- a/matlab/marginal_density.m
+++ b/matlab/marginal_density.m
@@ -1,5 +1,21 @@
 function marginal = marginal_density()
-% stephane.adjemian@ens.fr [09-09-2005]
+
+% function marginal = marginal_density()
+% Computes the marginal density
+%
+% INPUTS
+%    none
+%
+% OUTPUTS
+%    marginal:  marginal density
+%
+% SPECIAL REQUIREMENTS
+%    none
+%  
+% part of DYNARE, copyright Dynare Team (2005-2007)
+% Gnu Public License.
+
+
 global M_ options_ estim_params_ oo_
 
 npar = estim_params_.np+estim_params_.nvn+estim_params_.ncx+estim_params_.ncn+estim_params_.nvx;