diff --git a/core/resources/l10n/messages.properties b/core/resources/l10n/messages.properties
index 43613cf37..c97fca6c6 100644
--- a/core/resources/l10n/messages.properties
+++ b/core/resources/l10n/messages.properties
@@ -1283,7 +1283,7 @@ FlightDataType.TYPE_ROLL_FORCING_COEFF = Roll forcing coefficient
 FlightDataType.TYPE_ROLL_DAMPING_COEFF = Roll damping coefficient
 FlightDataType.TYPE_PITCH_DAMPING_MOMENT_COEFF = Pitch damping coefficient
 FlightDataType.TYPE_YAW_DAMPING_MOMENT_COEFF = Yaw damping coefficient
-FlightDataType.TYPE_REFERENCE_LENGTH = Reference lenght
+FlightDataType.TYPE_REFERENCE_LENGTH = Reference length
 FlightDataType.TYPE_REFERENCE_AREA = Reference area
 FlightDataType.TYPE_ORIENTATION_THETA = Vertical orientation (zenith)
 FlightDataType.TYPE_ORIENTATION_PHI = Lateral orientation (azimuth)