diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index d204ca67dbb..3d767ba8524 100755
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -754,6 +754,7 @@ Permission1185=Approve supplier orders
 Permission1186=Order supplier orders
 Permission1187=Acknowledge receipt of supplier orders
 Permission1188=Delete supplier orders
+Permission1190=Approve (second approval) supplier orders
 Permission1201=Get result of an export
 Permission1202=Create/Modify an export
 Permission1231=Read supplier invoices
diff --git a/htdocs/langs/en_US/suppliers.lang b/htdocs/langs/en_US/suppliers.lang
index 441eba9d884..6b7010439c9 100644
--- a/htdocs/langs/en_US/suppliers.lang
+++ b/htdocs/langs/en_US/suppliers.lang
@@ -43,4 +43,4 @@ ListOfSupplierOrders=List of supplier orders
 MenuOrdersSupplierToBill=Supplier orders to invoice
 NbDaysToDelivery=Delivery delay in days
 DescNbDaysToDelivery=The biggest delay is display among order product list
-UseDoubleApproval=Use double approval (the second approval will be any user of a defined user group)
\ No newline at end of file
+UseDoubleApproval=Use double approval (the second approval can be done by any user with the dedicated permission)
\ No newline at end of file