diff --git a/src/+gui_auxiliary/dynare_command_options_stoch_simul.m b/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
index d7954cb5f594c7ec0c0f3a00771b814ea1ad7b0b..ee435bb835a9308e689b6ba5e9dcf2178dd350e9 100644
--- a/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
+++ b/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
@@ -85,11 +85,11 @@ dynare_gui_.stoch_simul.irf{num,2} = '1e-10';
 dynare_gui_.stoch_simul.irf{num,3} = 'DOUBLE';
 dynare_gui_.stoch_simul.irf{num,4} = 'Threshold size for plotting IRFs. All IRFs for a particular variable with a maximum absolute deviation from the steady state smaller than this value are not displayed. Default: 1e-10.';
 
-% num = num+1;
-% dynare_gui_.stoch_simul.irf{num,1} = 'irf_shocks';
-% dynare_gui_.stoch_simul.irf{num,2} = '';
-% dynare_gui_.stoch_simul.irf{num,3} = 'list';
-% dynare_gui_.stoch_simul.irf{num,4} = 'The exogenous variables for which to compute IRFs. Default: all.';
+num = num+1;
+dynare_gui_.stoch_simul.irf{num,1} = 'irf_shocks';
+dynare_gui_.stoch_simul.irf{num,2} = '';
+dynare_gui_.stoch_simul.irf{num,3} = '( VARIABLE_NAME [[,] VARIABLE_NAME ...] )';   % special
+dynare_gui_.stoch_simul.irf{num,4} = 'The exogenous variables for which to compute IRFs. Default: all.';
 
 num = num+1;
 dynare_gui_.stoch_simul.irf{num,1} = 'relative_irf';