diff --git a/htdocs/langs/en_US/products.lang b/htdocs/langs/en_US/products.lang
index a6f2ba51f23b2d036e06379ffb1cbe8c52a0eec2..830fe3f3eb1e4d2e2536d0e9fb19dfb06b4ac5d9 100644
--- a/htdocs/langs/en_US/products.lang
+++ b/htdocs/langs/en_US/products.lang
@@ -83,7 +83,7 @@ SetDefaultBarcodeType=Set barcode type
 BarcodeValue=Barcode value
 NoteNotVisibleOnBill=Note (not visible on invoices, proposals...)
 ServiceLimitedDuration=If product is a service with limited duration:
-MultiPricesAbility=Several level of prices per product/service
+MultiPricesAbility=Several segment of prices per product/service (each customer is in one segment)
 MultiPricesNumPrices=Number of prices
 AssociatedProductsAbility=Activate the package feature
 AssociatedProducts=Package product
@@ -174,13 +174,13 @@ AlwaysUseNewPrice=Always use current price of product/service
 AlwaysUseFixedPrice=Use the fixed price
 PriceByQuantity=Different prices by quantity
 PriceByQuantityRange=Quantity range
-MultipriceRules=Price level rules
-UseMultipriceRules=Use price level rules (defined into product module setup) to autocalculate prices of all other level according to first level
+MultipriceRules=Price segment rules
+UseMultipriceRules=Use price segment rules (defined into product module setup) to autocalculate prices of all other segment according to first segment
 PercentVariationOver=%% variation over %s
 PercentDiscountOver=%% discount over %s
 ### composition fabrication
 Build=Produce
-ProductsMultiPrice=Products and prices for each price level
+ProductsMultiPrice=Products and prices for each price segment
 ProductsOrServiceMultiPrice=Customer prices (of products or services, multi-prices)
 ProductSellByQuarterHT=Products turnover quarterly before tax
 ServiceSellByQuarterHT=Services turnover quarterly before tax