diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index e0b71e06fa5..13b0f27c4ae 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -131,7 +131,7 @@ class Commande extends CommonOrder
 	public $billed;
 
 	/**
-	 * @var string Limit date payment
+	 * @var int Deadline for payment
 	 */
 	public $date_lim_reglement;
 	/**
diff --git a/htdocs/compta/facture/class/facture-rec.class.php b/htdocs/compta/facture/class/facture-rec.class.php
index 311a1d1ce81..9f4d944fb29 100644
--- a/htdocs/compta/facture/class/facture-rec.class.php
+++ b/htdocs/compta/facture/class/facture-rec.class.php
@@ -132,6 +132,9 @@ class FactureRec extends CommonInvoice
 
 	public $usenewprice = 0;
 
+	/**
+	 * @var int Deadline for payment
+	 */
 	public $date_lim_reglement;
 	public $cond_reglement_code; // Code in llx_c_paiement
 	public $mode_reglement_code; // Code in llx_c_paiement
diff --git a/htdocs/core/class/commoninvoice.class.php b/htdocs/core/class/commoninvoice.class.php
index eb7f83387b1..e52020234b4 100644
--- a/htdocs/core/class/commoninvoice.class.php
+++ b/htdocs/core/class/commoninvoice.class.php
@@ -69,6 +69,9 @@ abstract class CommonInvoice extends CommonObject
 	 */
 	public $date;
 
+	/**
+	 * @var int Deadline for payment
+	 */
 	public $date_lim_reglement;
 
 	public $cond_reglement_id; // Id in llx_c_paiement
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index c27f02c842b..e5fabd8d3eb 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -212,6 +212,9 @@ class CommandeFournisseur extends CommonOrder
 	public $origin_id;
 	public $linked_objects = array();
 
+	/**
+	 * @var int Deadline for payment
+	 */
 	public $date_lim_reglement;
 	public $receptions = array();
 
diff --git a/htdocs/fourn/class/fournisseur.facture-rec.class.php b/htdocs/fourn/class/fournisseur.facture-rec.class.php
index 1d47ada460f..26fffd8a8fc 100644
--- a/htdocs/fourn/class/fournisseur.facture-rec.class.php
+++ b/htdocs/fourn/class/fournisseur.facture-rec.class.php
@@ -125,6 +125,9 @@ class FactureFournisseurRec extends CommonInvoice
 	public $cond_reglement_doc;
 	public $cond_reglement_id;
 
+	/**
+	 * @var int Deadline for payment
+	 */
 	public $date_lim_reglement;
 
 	public $usenewprice = 0;