diff --git a/core/resources/l10n/messages.properties b/core/resources/l10n/messages.properties
index cfc73792c..5b44f44b8 100644
--- a/core/resources/l10n/messages.properties
+++ b/core/resources/l10n/messages.properties
@@ -230,7 +230,7 @@ pref.dlg.tab.Miscellaneousoptions = Miscellaneous options
 pref.dlg.lbl.Positiontoinsert = Position to insert new body components:
 pref.dlg.lbl.Confirmdeletion = Confirm deletion of simulations:
 pref.dlg.lbl.User-definedthrust = User-defined thrust curves:
-pref.dlg.lbl.Windspeed = Windspeed
+pref.dlg.lbl.Windspeed = Wind speed
 pref.dlg.Allthrustcurvefiles = All thrust curve files (*.eng; *.rse; *.zip; directories)
 pref.dlg.RASPfiles = RASP motor files (*.eng)
 pref.dlg.RockSimfiles = RockSim engine files (*.rse)