diff --git a/src/dic/gui_set_resolution_3.m b/src/dic/gui_set_resolution_3.m
index c81ce42..a4ab004 100644
--- a/src/dic/gui_set_resolution_3.m
+++ b/src/dic/gui_set_resolution_3.m
@@ -271,7 +271,7 @@ c= get(hObject,'String')
       
     [filename,pathname, FILTERINDEX] = uigetfile( ...
        {strcat('*', handles.Ext), strcat(handles.Ext,'-files') },  ...
-         'MultiSelect', 'on', 'Selet the Calibration image', handles.path);
+         'MultiSelect', 'on', 'Select the Calibration image', handles.path);
     handles.ref_file=[];
     if FILTERINDEX==1
         handles.ref_file = strcat(pathname, filename);
@@ -330,7 +330,7 @@ c= get(hObject,'String')
       
     [filename,pathname, FILTERINDEX] = uigetfile( ...
        {strcat('*', handles.Ext), strcat(handles.Ext,'-files') },  ...
-         'MultiSelect', 'on', 'Selet the Calibration image', handles.path);
+         'MultiSelect', 'on', 'Select the Calibration image', handles.path);
     handles.ref_file=[];
     if FILTERINDEX==1
         handles.ref_file = strcat(pathname, filename);