diff --git a/DynamicModel.cc b/DynamicModel.cc
index 6b562b48..82c51e94 100644
--- a/DynamicModel.cc
+++ b/DynamicModel.cc
@@ -1506,6 +1506,28 @@ DynamicModel::writeDynamicMFile(const string &dynamic_basename) const
                     << "%" << endl
                     << "% Status : Computes dynamic model for Dynare" << endl
                     << "%" << endl
+                    << "% Inputs :" << endl
+                    << "%   y         [#dynamic variables by 1] double    vector of endogenous variables in the order stored" << endl
+                    << "%                                                 in M_.lead_lag_incidence; see the Manual" << endl
+                    << "%   x         [M_.exo_nbr by nperiods] double     matrix of exogenous variables (in declaration order)" << endl
+                    << "%                                                 for all simulation periods" << endl
+                    << "%   params    [M_.param_nbr by 1] double          vector of parameter values in declaration order" << endl
+                    << "%   it_       scalar double                       time period for exogenous variables for which to evaluate the model" << endl
+                    << "%" << endl
+                    << "% Outputs:" << endl
+                    << "%   residual  [M_.endo_nbr by 1] double    vector of residuals of the dynamic model equations in order of " << endl
+                    << "%                                          declaration of the equations" << endl
+                    << "%   g1        [M_.endo_nbr by #dynamic variables] double    Jacobian matrix of the dynamic model equations;" << endl
+                    << "%                                                           columns: equations in order of declaration" << endl
+                    << "%                                                           rows: variables in order stored in M_.lead_lag_incidence" << endl
+                    << "%   g2        [M_.endo_nbr by (#dynamic variables)^2] double   Hessian matrix of the dynamic model equations;" << endl
+                    << "%                                                              columns: equations in order of declaration" << endl
+                    << "%                                                              rows: variables in order stored in M_.lead_lag_incidence" << endl
+                    << "%   g3        [M_.endo_nbr by (#dynamic variables)^3] double   Third order derivative matrix of the dynamic model equations;" << endl
+                    << "%                                                              columns: equations in order of declaration" << endl
+                    << "%                                                              rows: variables in order stored in M_.lead_lag_incidence" << endl
+                    << "%" << endl
+                    << "%" << endl                    
                     << "% Warning : this file is generated automatically by Dynare" << endl
                     << "%           from model file (.mod)" << endl << endl;
 
diff --git a/StaticModel.cc b/StaticModel.cc
index 965aa3de..c78324ea 100644
--- a/StaticModel.cc
+++ b/StaticModel.cc
@@ -1146,6 +1146,22 @@ StaticModel::writeStaticMFile(const string &func_name) const
          << "%" << endl
          << "% Status : Computes static model for Dynare" << endl
          << "%" << endl
+         << "% Inputs : " << endl
+         << "%   y         [M_.endo_nbr by 1] double    vector of endogenous variables in declaration order" << endl
+         << "%   x         [M_.exo_nbr by 1] double     vector of exogenous variables in declaration order" << endl
+         << "%   params    [M_.param_nbr by 1] double   vector of parameter values in declaration order" << endl
+         << "%" << endl
+         << "% Outputs:" << endl
+         << "%   residual  [M_.endo_nbr by 1] double    vector of residuals of the static model equations " << endl
+         << "%                                          in order of declaration of the equations" << endl
+         << "%   g1        [M_.endo_nbr by M_.endo_nbr] double    Jacobian matrix of the static model equations;" << endl
+         << "%                                                    columns: equations in order of declaration" << endl
+         << "%                                                    rows: variables in declaration order" << endl
+         << "%   g2        [M_.endo_nbr by (M_.endo_nbr)^2] double   Hessian matrix of the static model equations;" << endl
+         << "%                                                       columns: equations in order of declaration" << endl
+         << "%                                                       rows: variables in declaration order" << endl
+         << "%" << endl
+         << "%" << endl         
          << "% Warning : this file is generated automatically by Dynare" << endl
          << "%           from model file (.mod)" << endl << endl;