diff --git a/htdocs/includes/boxes/box_external_rss.php b/htdocs/includes/boxes/box_external_rss.php
index a44f83fd1ce..d3edd0925ce 100644
--- a/htdocs/includes/boxes/box_external_rss.php
+++ b/htdocs/includes/boxes/box_external_rss.php
@@ -95,7 +95,7 @@ class box_external_rss extends ModeleBoxes {
         if ($rss->ERROR)
         {
             // Affiche warning car il y a eu une erreur
-            $title.=" ".img_error($langs->trans("FailedToRefreshDataInfoNotUpToDate",(isset($rss->date)?dolibarr_print_date($rss->date,"dayhourtext"):'unknown date')));
+            $title.=" ".img_error($langs->trans("FailedToRefreshDataInfoNotUpToDate",(isset($rss->date)?dolibarr_print_date($rss->date,"dayhourtext"):$langs->trans("Unknown"))));
             $this->info_box_head = array('text' => $title,'limit' => 0);
         }
         else
diff --git a/htdocs/langs/en_US/boxes.lang b/htdocs/langs/en_US/boxes.lang
index 9bc41a27a86..fe5bb22d04c 100644
--- a/htdocs/langs/en_US/boxes.lang
+++ b/htdocs/langs/en_US/boxes.lang
@@ -35,5 +35,5 @@ BoxTitleSalesTurnover=Sales turnover
 BoxTitleTotalUnpayedCustomerBills=Unpayed customer's invoices
 BoxTitleTotalUnpayedSuppliersBills=Unpayed supplier's invoices
 BoxMyLastBookmarks=My last %s bookmarks
-FailedToRefreshDataInfoNotUpToDate=Failed to refresh RSS flux. Informations are from %s
+FailedToRefreshDataInfoNotUpToDate=Failed to refresh RSS flux. Last successfull refresh date: %s
 NoRecordedBookmarks=No bookmarks defined. Click <a href="%s">here</a> to add bookmarks.
\ No newline at end of file
diff --git a/htdocs/langs/fr_BE/boxes.lang b/htdocs/langs/fr_BE/boxes.lang
index 7759ed466cb..49737c8818f 100644
--- a/htdocs/langs/fr_BE/boxes.lang
+++ b/htdocs/langs/fr_BE/boxes.lang
@@ -35,5 +35,5 @@ BoxTitleSalesTurnover=Chiffre d'affaires des ventes
 BoxTitleTotalUnpayedCustomerBills=Total des factures clients impayées
 BoxTitleTotalUnpayedSuppliersBills=Total des factures fournisseurs impayées
 BoxMyLastBookmarks=Mes %s derniers marques-page
-FailedToRefreshDataInfoNotUpToDate=Échec du rafraîchissement du flux RSS. Les informations proviennents de %s
+FailedToRefreshDataInfoNotUpToDate=Échec du rafraîchissement du flux RSS. Date du dernier rafraichissement: %s
 NoRecordedBookmarks=Pas de marque-page défini. Cliquez <a href="%s">ici</a> pour ajouter un marque-page.
diff --git a/htdocs/langs/fr_FR/boxes.lang b/htdocs/langs/fr_FR/boxes.lang
index 8779a3b24d9..03a107e04e6 100644
--- a/htdocs/langs/fr_FR/boxes.lang
+++ b/htdocs/langs/fr_FR/boxes.lang
@@ -35,5 +35,5 @@ BoxTitleSalesTurnover=Le chiffre d'affaire r
 BoxTitleTotalUnpayedCustomerBills=Impayés clients
 BoxTitleTotalUnpayedSuppliersBills=Impayés fournisseurs
 BoxMyLastBookmarks=Mes %s derniers marque-pages
-FailedToRefreshDataInfoNotUpToDate=Echec du rafraichissement du flux RSS. Les informations datent du %s
+FailedToRefreshDataInfoNotUpToDate=Echec du rafraichissement du flux RSS. Date du dernier rafraichissement: %s
 NoRecordedBookmarks=Pas de bookmarks personnels. Cliquer ici pour en ajouter.
\ No newline at end of file