diff --git a/src/command_type.h b/src/command_type.h
--- a/src/command_type.h
+++ b/src/command_type.h
@@ -314,7 +314,7 @@ enum Commands {
 
 	CMD_CREATE_GROUP,                 ///< create a new group
 	CMD_DELETE_GROUP,                 ///< delete a group
-	CMD_RENAME_GROUP,                 ///< rename a group
+	CMD_ALTER_GROUP,                  ///< alter a group
 	CMD_ADD_VEHICLE_GROUP,            ///< add a vehicle to a group
 	CMD_ADD_SHARED_VEHICLE_GROUP,     ///< add all other shared vehicles to a group which are missing
 	CMD_REMOVE_ALL_VEHICLES_GROUP,    ///< remove all vehicles from a group