diff --git a/addons/sale/res_config.py b/addons/sale/res_config.py
index 9a9f093a7b4..3fb8e049e8d 100644
--- a/addons/sale/res_config.py
+++ b/addons/sale/res_config.py
@@ -49,7 +49,7 @@ class sale_configuration(osv.osv_memory):
             implied_group='product.group_sale_pricelist',
             help="""Allows to manage different prices based on rules per category of customers.
 Example: 10% for retailers, promotion of 5 EUR on this product, etc."""),
-        'group_uom':fields.boolean("Allow using different units of measures",
+        'group_uom':fields.boolean("Allow using different units of measure",
             implied_group='product.group_uom',
             help="""Allows you to select and maintain different units of measure for products."""),
         'group_discount_per_so_line': fields.boolean("Allow setting a discount on the sales order lines",