diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 8ba499a7ae1..dcef2941d94 100755
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -1512,7 +1512,7 @@ CashDeskThirdPartyForSell=Default generic third party to use for sells
 CashDeskBankAccountForSell=Default account to use to receive cash payments
 CashDeskBankAccountForCheque= Default account to use to receive payments by cheque
 CashDeskBankAccountForCB= Default account to use to receive payments by credit cards
-CashDeskDoNotDecreaseStock=Disable stock decrease when a sell is done from Point of Sale
+CashDeskDoNotDecreaseStock=Disable stock decrease when a sell is done from Point of Sale (if "no", stock decrease is done for each sell done from POS, whatever is option set into module Stock).
 CashDeskIdWareHouse=Force and restrict warehouse to use for stock decrease
 StockDecreaseForPointOfSaleDisabled=Stock decrease from Point Of Sale disabled
 CashDeskYouDidNotDisableStockDecease=You did not disable stock decrease when making a sell from Point Of Sale. So a warehouse is required.