diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 970f42d8a2e..04b7a6ecb33 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -231,6 +231,7 @@ CustomerBillsUnpaid=Unpaid customer invoices
 NonPercuRecuperable=Non-recoverable
 SetConditions=Set payment terms
 SetMode=Set payment mode
+SetRevenuStamp=Set revenue stamp
 Billed=Billed
 RecurringInvoices=Recurring invoices
 RepeatableInvoice=Template invoice