diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index a9cf9ee2c90..30fd1b69310 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -138,9 +138,10 @@ ConfirmClassifyPayedPartiallyReasonDiscountVat=Remainder to pay <b>(%s %s)</b> i
 ConfirmClassifyPayedPartiallyReasonBadCustomer=Bad customer
 ConfirmClassifyPayedPartiallyReasonProductReturned=Products partially returned
 ConfirmClassifyPayedPartiallyReasonOther=Amount abandonned for other reason
-ConfirmClassifyPayedPartiallyReasonDiscountNoVatDesc=This choice is possible if your invoice have been provided with adequatemention.  (Example «Only the tax corresponding to the price that have been actually paid gives rights to deduction»)
+ConfirmClassifyPayedPartiallyReasonDiscountNoVatDesc=This choice is possible if your invoice have been provided with adequatemention. (Example «Only the tax corresponding to the price that have been actually paid gives rights to deduction»)
+ConfirmClassifyPayedPartiallyReasonDiscountVatDesc=In some countries, this choice might be possible only if your invoice contains correct note.
 ConfirmClassifyPayedPartiallyReasonAvoirDesc=Use this choice if all other does not suit
-ConfirmClassifyPayedPartiallyReasonBadCustomerDesc=A <b>bad customers</b> is a customer that refuse to pay his debt.
+ConfirmClassifyPayedPartiallyReasonBadCustomerDesc=A <b>bad customer</b> is a customer that refuse to pay his debt.
 ConfirmClassifyPayedPartiallyReasonProductReturnedDesc=This choice is used when payment is not complete because some of products were returned
 ConfirmClassifyPayedPartiallyReasonOtherDesc=Use this choice if all other does not suit, for example in following situation:<br>- payment not complete because some products were shipped back<br>- amount claimed too important because a discount was forgotten<br>In all cases, amount over-claimed must be corrected in accountancy system by creating a credit note.
 ConfirmClassifyAbandonReasonOther=Other