diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -323,6 +323,7 @@ STR_SCENEDIT_TOOLBAR_OPENTTD            
 STR_SCENEDIT_TOOLBAR_SCENARIO_EDITOR                            :{YELLOW}Scenario Editor
 STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD    :{BLACK}Move the starting date backward 1 year
 STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD     :{BLACK}Move the starting date forward 1 year
+STR_SCENEDIT_TOOLBAR_TOOLTIP_SET_DATE                           :{BLACK}Click to enter the starting year
 STR_SCENEDIT_TOOLBAR_TOOLTIP_DISPLAY_MAP_TOWN_DIRECTORY         :{BLACK}Display map, town directory
 STR_SCENEDIT_TOOLBAR_LANDSCAPE_GENERATION                       :{BLACK}Landscape generation
 STR_SCENEDIT_TOOLBAR_TOWN_GENERATION                            :{BLACK}Town generation