diff --git a/htdocs/langs/en_US/companies.lang b/htdocs/langs/en_US/companies.lang
index 98dc451b5bb..ba0246ca45d 100644
--- a/htdocs/langs/en_US/companies.lang
+++ b/htdocs/langs/en_US/companies.lang
@@ -461,3 +461,4 @@ InEEC=Europe (EEC)
 RestOfEurope=Rest of Europe (EEC)
 OutOfEurope=Out of Europe (EEC)
 CurrentOutstandingBillLate=Current outstanding bill late
+BecarefullChangeThirdpartyBeforeAddProductToInvoice=Be carefull, depending on your product price settings, you should change thirdparty before adding product to POS.