diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 234ccf281f0..b547f12a76e 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -3167,7 +3167,7 @@ else if ($id > 0 || ! empty($ref))
 		$i ++;
 		// Texte
 		$i = 0;
-		$close [$i] ['reason'] = $form->textwithpicto($langs->transnoentities("ConfirmClassifyPaidPartiallyReasonDiscountVat", $resteapayer, $langs->trans("Currency" . $conf->currency)), $close [$i] ['label'], 1);
+		$close [$i] ['reason'] = $form->textwithpicto($langs->transnoentities("ConfirmClassifyPaidPartiallyReasonDiscount", $resteapayer, $langs->trans("Currency" . $conf->currency)), $close [$i] ['label'], 1);
 		$i ++;
 		$close [$i] ['reason'] = $form->textwithpicto($langs->transnoentities("ConfirmClassifyPaidPartiallyReasonBadCustomer", $resteapayer, $langs->trans("Currency" . $conf->currency)), $close [$i] ['label'], 1);
 		$i ++;
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 1891989a44a..15143f14cff 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -214,10 +214,10 @@ class Facture extends CommonInvoice
 	 */
 	const STATUS_ABANDONED = 3;
 
-	const CLOSECODE_DISCOUNTVAT = 'discount_vat';
-	const CLOSECODE_BADDEBT = 'badcustomer';
-	const CLOSECODE_ABANDONED = 'abandon';
-	const CLOSECODE_REPLACED = 'replaced';
+	const CLOSECODE_DISCOUNTVAT = 'discount_vat';	// Abandonned remain - escompte
+	const CLOSECODE_BADDEBT = 'badcustomer';		// Abandonned - bad
+	const CLOSECODE_ABANDONED = 'abandon';			// Abandonned - other
+	const CLOSECODE_REPLACED = 'replaced';			// Closed after doing a replacement invoice
 
 	/**
 	 * 	Constructor
diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index a54ecbc0023..5027e56b858 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -178,6 +178,7 @@ ConfirmCancelBillQuestion=Why do you want to classify this invoice 'abandoned'?
 ConfirmClassifyPaidPartially=Are you sure you want to change invoice <b>%s</b> to status paid?
 ConfirmClassifyPaidPartiallyQuestion=This invoice has not been paid completely. What are reasons for you to close this invoice?
 ConfirmClassifyPaidPartiallyReasonAvoir=Remaining unpaid <b>(%s %s)</b> is a discount granted because payment was made before term. I regularise the VAT with a credit note.
+ConfirmClassifyPaidPartiallyReasonDiscount=Remaining unpaid <b>(%s %s)</b> is a discount granted because payment was made before term.
 ConfirmClassifyPaidPartiallyReasonDiscountNoVat=Remaining unpaid <b>(%s %s)</b> is a discount granted because payment was made before term. I accept to lose the VAT on this discount.
 ConfirmClassifyPaidPartiallyReasonDiscountVat=Remaining unpaid <b>(%s %s)</b> is a discount granted because payment was made before term. I recover the VAT on this discount without a credit note. 
 ConfirmClassifyPaidPartiallyReasonBadCustomer=Bad customer