diff --git a/genworld_gui.c b/genworld_gui.c
--- a/genworld_gui.c
+++ b/genworld_gui.c
@@ -698,7 +698,7 @@ const Widget _create_scenario_widgets[] 
 {      WWT_PANEL, RESIZE_NONE, 12, 150, 185,  95, 106, STR_NULL,                STR_NULL},
 {    WWT_TEXTBTN, RESIZE_NONE, 12, 186, 197,  95, 106, STR_0225,                STR_NULL}, // Mapsize Y
 
-{    WWT_TEXTBTN, RESIZE_NONE,  6,  12, 145, 117, 128, STR_SE_FLAT_WORLD,       STR_SE_FLAT_WORLD},                      // Empty (sea-level) map
+{    WWT_TEXTBTN, RESIZE_NONE,  6,  12, 145, 117, 128, STR_SE_FLAT_WORLD,       STR_SE_FLAT_WORLD_TIP},                      // Empty (sea-level) map
 {    WWT_TEXTBTN, RESIZE_NONE,  6,  12, 145, 135, 146, STR_SE_RANDOM_LAND,      STR_022A_GENERATE_RANDOM_LAND}, // Generate
 {    WWT_TEXTBTN, RESIZE_NONE,  6,  12, 145, 153, 164, STR_LOAD_GAME_HEIGHTMAP, STR_LOAD_SCEN_HEIGHTMAP},       // Heightmap
 
diff --git a/lang/english.txt b/lang/english.txt
--- a/lang/english.txt
+++ b/lang/english.txt
@@ -2942,6 +2942,7 @@ STR_PREPARING_TILELOOP                  
 STR_PREPARING_GAME                                              :{BLACK}Preparing game
 STR_DIFFICULTY_TO_CUSTOM                                        :{WHITE}This action changed the difficulty level to custom
 STR_SE_FLAT_WORLD                                               :{WHITE}Flat land
+STR_SE_FLAT_WORLD_TIP                                           :{BLACK}Generate a flat land
 STR_SE_RANDOM_LAND                                              :{WHITE}Random land
 STR_SE_NEW_WORLD                                                :{BLACK}Create new scenario
 STR_SE_CAPTION                                                  :{WHITE}Scenario type