diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index cf0e6f48caf062875a5c8fb2a1a409905eb64c26..97e30cacf5cf14f0dc46ac06fb9f88070b2ae69b 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -47,6 +47,8 @@ if (!$user->rights->facture->lire)
     accessforbidden();
 
 $langs->load('bills');
+$langs->load('products');
+$langs->load('main');
 
 $sall=isset($_GET['sall'])?$_GET['sall']:$_POST['sall'];
 if (isset($_GET['msg'])) { $msg=urldecode($_GET['msg']); }
@@ -1491,9 +1493,9 @@ else
 						if ($conf->service->enabled)
 						{
 							print '<tr '.$bc[$var].'>';
-							print '<td colspan="9">Si produit de type service � dur�e limit�e: Du ';
+							print '<td colspan="9">'.$langs->trans('ServiceLimitedDuration').' '.$langs->trans('From').' ';
 							print $html->select_date($objp->date_start,'date_start',0,0,$objp->date_start?0:1);
-							print ' au ';
+							print ' '.$langs->trans('to').' ';
 							print $html->select_date($objp->date_end,'date_end',0,0,$objp->date_end?0:1);
 							print '</td>';
 							print '</tr>';
@@ -1549,9 +1551,9 @@ else
 				if ($conf->service->enabled)
 				{
 					print '<tr '.$bc[$var].'>';
-					print '<td colspan="9">Si produit de type service � dur�e limit�e: Du ';
+					print '<td colspan="9">'.$langs->trans('ServiceLimitedDuration').' '.$langs->trans('From').' ';
 					print $html->select_date('','date_start',0,0,1);
-					print ' au ';
+					print ' '.$langs->trans('to').' ';
 					print $html->select_date('','date_end',0,0,1);
 					print '</td>';
 					print '</tr>';
@@ -1579,9 +1581,9 @@ else
     				if ($conf->service->enabled)
     				{
     					print '<tr '.$bc[$var].'>';
-    					print '<td colspan="5">Si produit de type service � dur�e limit�e: Du ';
+    					print '<td colspan="5">'.$langs->trans('ServiceLimitedDuration').' '.$langs->trans('From').' ';
     					print $html->select_date('','date_start',0,0,1);
-    					print ' au ';
+    					print ' '.$langs->trans('to').' ';
     					print $html->select_date('','date_end',0,0,1);
     					print '</td>';
     					print '</tr>';
diff --git a/htdocs/langs/en_US/products.lang b/htdocs/langs/en_US/products.lang
index 3db60d0fa17d44836ed120d8d4c060083415c50a..b0851e22b52bc7f7f2b70625f40b79e1c0a4cc69 100644
--- a/htdocs/langs/en_US/products.lang
+++ b/htdocs/langs/en_US/products.lang
@@ -66,4 +66,5 @@ BarCode=Barcode
 Pack=Pack
 Packs=Packs
 NoteNotVisibleOnBill=Note (not visible on invoices, proposals...)
-CreateCopy=Create copy
\ No newline at end of file
+CreateCopy=Create copy
+ServiceLimitedDuration=If produced of service type at limited duration:
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/products.lang b/htdocs/langs/fr_FR/products.lang
index 97a385304dcba3a75ece3724b8a350659dafc3b1..681772a67ef0b027d3eceb50390c36f961606ba3 100644
--- a/htdocs/langs/fr_FR/products.lang
+++ b/htdocs/langs/fr_FR/products.lang
@@ -79,4 +79,5 @@ BarCode=Code barre
 Pack=Lot
 Packs=Lots
 NoteNotVisibleOnBill=Note (non visible sur les factures, propals...)
-CreateCopy=Cr�er copie
\ No newline at end of file
+CreateCopy=Cr�er copie
+ServiceLimitedDuration=Si produit de type service � dur�e limit�e :
\ No newline at end of file