diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -522,6 +522,10 @@ STR_GRAPH_COMPANY_VALUES_CAPTION        
 STR_GRAPH_CARGO_PAYMENT_RATES_CAPTION                           :{WHITE}Cargo Payment Rates
 STR_GRAPH_CARGO_PAYMENT_RATES_X_LABEL                           :{TINYFONT}{BLACK}Days in transit
 STR_GRAPH_CARGO_PAYMENT_RATES_TITLE                             :{TINYFONT}{BLACK}Payment for delivering 10 units (or 10,000 litres) of cargo a distance of 20 squares
+STR_GRAPH_CARGO_ENABLE_ALL                                      :{TINYFONT}{BLACK}Enable all
+STR_GRAPH_CARGO_DISABLE_ALL                                     :{TINYFONT}{BLACK}Disable all
+STR_GRAPH_CARGO_TOOLTIP_ENABLE_ALL                              :{BLACK}Display all cargos on the cargo payment rates graph
+STR_GRAPH_CARGO_TOOLTIP_DISABLE_ALL                             :{BLACK}Display no cargos on the cargo payment rates graph
 STR_GRAPH_CARGO_PAYMENT_TOGGLE_CARGO                            :{BLACK}Toggle graph for cargo type on/off
 STR_GRAPH_CARGO_PAYMENT_CARGO                                   :{TINYFONT}{BLACK}{STRING}