diff --git a/htdocs/langs/en_US/stocks.lang b/htdocs/langs/en_US/stocks.lang
index 746268f7e98..231f5bb3a2e 100644
--- a/htdocs/langs/en_US/stocks.lang
+++ b/htdocs/langs/en_US/stocks.lang
@@ -67,6 +67,7 @@ NoPredefinedProductToDispatch=No predefined products for this object. So no disp
 DispatchVerb=Dispatch
 StockLimitShort=Limit for alert
 StockLimit=Stock limit for alert
+StockLimitDesc="" (empty) default value means no alert. <br>"0" can be used with 'Stock can be negative' configuration.
 PhysicalStock=Physical stock
 RealStock=Real Stock
 RealStockDesc=Physical or real stock is the stock you currently have into your internal warehouses/emplacements. 
@@ -142,4 +143,4 @@ OptionMULTIPRICESIsOn=Option "several prices per segment" is on. It means a prod
 ProductStockWarehouseCreated=Stock limit for alert and desired optimal stock correctly created
 ProductStockWarehouseUpdated=Stock limit for alert and desired optimal stock correctly updated
 ProductStockWarehouseDeleted=Stock limit for alert and desired optimal stock correctly deleted
-AddNewProductStockWarehouse=Set new limit for alert and desired optimal stock
\ No newline at end of file
+AddNewProductStockWarehouse=Set new limit for alert and desired optimal stock