diff --git a/lang/american.txt b/lang/american.txt
--- a/lang/american.txt
+++ b/lang/american.txt
@@ -395,6 +395,7 @@ STR_SELECT_ALL_FACILITIES               
 STR_SELECT_ALL_TYPES                                            :{BLACK}Select all cargo types (including no waiting cargo)
 STR_AVAILABLE_ENGINES_TIP                                       :{BLACK}See a list of available engine designs for this vehicle type.
 STR_MANAGE_LIST                                                 :{BLACK}Manage list
+STR_MANAGE_LIST_TIP                                             :{BLACK}Send instructions to all vehicles in this list
 STR_REPLACE_VEHICLES                                            :Replace vehicles
 STR_SEND_TRAIN_TO_DEPOT                                         :Send to Depot
 STR_SEND_ROAD_VEHICLE_TO_DEPOT                                  :Send to Depot