diff --git a/SoObjects/Appointments/English.lproj/Localizable.strings b/SoObjects/Appointments/English.lproj/Localizable.strings
index 3fbab4be3..45a038dfa 100644
--- a/SoObjects/Appointments/English.lproj/Localizable.strings
+++ b/SoObjects/Appointments/English.lproj/Localizable.strings
@@ -1,4 +1,4 @@
-"This or these persons cannot be invited:" = "This or these persons cannot be invited:";
+"Inviting the following persons is prohibited:" = "Inviting the following persons is prohibited:";
 "Personal Calendar" = "Personal Calendar";
 vevent_class0 = "(Public event)";
 vevent_class1 = "(Private event)";
diff --git a/SoObjects/Appointments/SOGoAppointmentObject.m b/SoObjects/Appointments/SOGoAppointmentObject.m
index 7f14eee77..fc578a578 100644
--- a/SoObjects/Appointments/SOGoAppointmentObject.m
+++ b/SoObjects/Appointments/SOGoAppointmentObject.m
@@ -462,7 +462,7 @@
   count = [unavailableAttendees count];
   if (count > 0)
     {
-      reason = [NSMutableString stringWithString:[self labelForKey: @"This or these persons cannot be invited:"]];
+      reason = [NSMutableString stringWithString:[self labelForKey: @"Inviting the following persons is prohibited:"]];
       // Add all the unavailable users in the warning message
       for (i = 0; i < count; i++)
         {