diff --git a/src/lang/norwegian_bokmal.txt b/src/lang/norwegian_bokmal.txt
--- a/src/lang/norwegian_bokmal.txt
+++ b/src/lang/norwegian_bokmal.txt
@@ -323,6 +323,7 @@ STR_SCENEDIT_TOOLBAR_OPENTTD            
 STR_SCENEDIT_TOOLBAR_SCENARIO_EDITOR                            :{YELLOW}Rediger scenario
 STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_BACKWARD    :{BLACK}Flytt startdatoen tilbake ett år
 STR_SCENEDIT_TOOLBAR_TOOLTIP_MOVE_THE_STARTING_DATE_FORWARD     :{BLACK}Flytt startdatoen frem ett år
+STR_SCENEDIT_TOOLBAR_TOOLTIP_SET_DATE                           :{BLACK}Klikk her for å skrive inn året du vil starte fra
 STR_SCENEDIT_TOOLBAR_TOOLTIP_DISPLAY_MAP_TOWN_DIRECTORY         :{BLACK}Vis kart og byoversikt
 STR_SCENEDIT_TOOLBAR_LANDSCAPE_GENERATION                       :{BLACK}Landskapsgenerering
 STR_SCENEDIT_TOOLBAR_TOWN_GENERATION                            :{BLACK}Bygenerering