diff --git a/xsd/netex_part_2/part2_journeyTimes/netex_vehicleJourneyFrequency_version.xsd b/xsd/netex_part_2/part2_journeyTimes/netex_vehicleJourneyFrequency_version.xsd
index 78de0aaff..57395b8fe 100644
--- a/xsd/netex_part_2/part2_journeyTimes/netex_vehicleJourneyFrequency_version.xsd
+++ b/xsd/netex_part_2/part2_journeyTimes/netex_vehicleJourneyFrequency_version.xsd
@@ -243,7 +243,7 @@ Rail transport, Roads and Road transport
 					</xsd:element>
 					<xsd:element name="FirstDayOffset" type="DayOffsetType" default="0" minOccurs="0">
 						<xsd:annotation>
-							<xsd:documentation>Offset days for start time of the period. Number of days after the starting operational day if journey if  not same calendar day. Default is 0 for same day.</xsd:documentation>
+							<xsd:documentation>Offset days for the first arrival time. Number of days after the first arrival time of the journey if not same calendar day. Default is 0 for the same day.</xsd:documentation>
 						</xsd:annotation>
 					</xsd:element>
 					<xsd:element name="LastArrivalTime" type="xsd:time" minOccurs="0">