diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 9884dd4cc99..286ccce2769 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -87,7 +87,7 @@ BillShortStatusClosedPayedPartially=Payed (part)
 PaymentStatusToValidShort=To validate
 ErrorVATIntraNotConfigured=Intracommunautary VAT number not yet defined
 ErrorNoPaiementModeConfigured=No paiment mode yet defined
-ErrorCreateBankAccount=Create a bank account, then go to Setup panel of Invoice module to define paiement modes
+ErrorCreateBankAccount=Create a bank account, then go to Setup panel of Invoice module to define payment modes
 ErrorBillNotFound=Invoice %s does not exists
 ErrorInvoiceAlreadyReplaced=Error, you try to validate an invoice to replace invoice %s. But this one has already been replaced by invoice %s.
 ErrorDiscountAlreadyUsed=Error, discount already used