diff --git a/addons/account/product.py b/addons/account/product.py
index ce91b9b0743..188c3260dff 100644
--- a/addons/account/product.py
+++ b/addons/account/product.py
@@ -33,7 +33,7 @@ class product_category(osv.osv):
             string="Income Account",
             method=True,
             view_load=True,
-            help="This account will be used to value incoming stock(i.e. credit of incoming goods) for the current product category"),
+            help="This account will be used for invoices to value sales for the current product category"),
         'property_account_expense_categ': fields.property(
             'account.account',
             type='many2one',
@@ -41,7 +41,7 @@ class product_category(osv.osv):
             string="Expense Account",
             method=True,
             view_load=True,
-            help="This account will be used to value outgoing stock(i.e. debit of outgoing goods) for the current product category"),
+            help="This account will be used for invoices to value expenses for the current product category"),
     }
 product_category()
 
@@ -64,7 +64,7 @@ class product_template(osv.osv):
             string="Income Account",
             method=True,
             view_load=True,
-            help="This account will be used instead of the default one to value incoming stock for the current product"),
+            help="This account will be used for invoices instead of the default one to value sales for the current product"),
         'property_account_expense': fields.property(
             'account.account',
             type='many2one',
@@ -72,7 +72,7 @@ class product_template(osv.osv):
             string="Expense Account",
             method=True,
             view_load=True,
-            help="This account will be used instead of the default one to value outgoing stock for the current product"),
+            help="This account will be used for invoices instead of the default one to value expenses for the current product"),
     }
 product_template()