diff --git a/src/+gui_auxiliary/dynare_command_options_stoch_simul.m b/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
index 5f096f1ef9a11947ad15b162b485b506d956138c..d7954cb5f594c7ec0c0f3a00771b814ea1ad7b0b 100644
--- a/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
+++ b/src/+gui_auxiliary/dynare_command_options_stoch_simul.m
@@ -14,7 +14,7 @@ function dynare_command_options_stoch_simul()
 % SPECIAL REQUIREMENTS
 %   none
 
-% Copyright (C) 2003-2018 Dynare Team
+% Copyright (C) 2003-2020 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -236,6 +236,12 @@ dynare_gui_.stoch_simul.filter{num,2} = '[6,32]';
 dynare_gui_.stoch_simul.filter{num,3} = '[INTEGER1:INTEGER2]';  %'[HIGHEST_PERIODICITY LOWEST_PERIODICITY]';
 dynare_gui_.stoch_simul.filter{num,4} = 'Uses a bandpass filter before computing moments. The passband is set to a periodicity of HIGHEST_PERIODICITY to LOWEST_PERIODICITY, e.g. 6 to 32 quarters if the model frequency is quarterly. Default: [6,32].';
 
+num = num+1;
+dynare_gui_.stoch_simul.filter{num,1} = 'filtered_theoretical_moments_grid';
+dynare_gui_.stoch_simul.filter{num,2} = '512';
+dynare_gui_.stoch_simul.filter{num,3} = 'INTEGER';
+dynare_gui_.stoch_simul.filter{num,4} = 'When computing filtered theoretical moments (with either option hp_filter or option bandpass_filter), this option governs the number of points in the grid for the discrete Inverse Fast Fourier Transform. It may be necessary to increase it for highly autocorrelated processes.';
+
 %% Group 6: Output
 
 num = 1;