diff --git a/matlab/PlotPosteriorDistributions.m b/matlab/PlotPosteriorDistributions.m
index 8042f2be1c9f752769bd02291c58d85b858cb5dc..9568b382fa01ad3841c6321bb65edb1351313504 100644
--- a/matlab/PlotPosteriorDistributions.m
+++ b/matlab/PlotPosteriorDistributions.m
@@ -1,5 +1,20 @@
 function PlotPosteriorDistributions()
-% stephane.adjemian@ens.fr [09-09-2005]
+
+% function PlotPosteriorDistributions()
+% plots posterior distributions
+%
+% INPUTS
+%    none
+%    
+% OUTPUTS
+%    none
+%    
+% SPECIAL REQUIREMENTS
+%    none
+%  
+% part of DYNARE, copyright Dynare Team (2005-2008)
+% Gnu Public License.
+
 global estim_params_ M_ options_ bayestopt_ oo_
 
 OutputDirectoryName = CheckPath('Output');