diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index f78bd7180fb..93c1c5d7eb4 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -59,6 +59,8 @@ OtherBills=Other bills
 DraftBills=Draft bills
 Unpayed=Unpayed
 ConfirmDeleteBill=Are you sure you want to delete this bill ?
+ConfirmValidateBill=Are you sure you want to validate this bill ?
+ValidateBill=Validate bill
 GlobalDiscount=Global discount
 NumberOfBills=Nb of bills
 NumberOfBillsByMonth=Nb of bills by month
diff --git a/htdocs/langs/fr_FR/bills.lang b/htdocs/langs/fr_FR/bills.lang
index 88a673b0d08..c4ddb14f688 100644
--- a/htdocs/langs/fr_FR/bills.lang
+++ b/htdocs/langs/fr_FR/bills.lang
@@ -59,6 +59,8 @@ OtherBills=Autres factures
 DraftBills=Factures brouillons
 Unpayed=Impayées
 ConfirmDeleteBill=Êtes-vous sûr de vouloir supprimer cette facture ?
+ConfirmValidateBill=Êtes-vous sûr de vouloir valider cette facture ?
+ValidateBill=Valider facture
 GlobalDiscount=Remise globale
 NumberOfBills=Nb de factures
 NumberOfBillsByMonth=Nb de factures par mois