'shipped_rate': fields.function(_shipped_rate, string='Received', type='float'),
'invoiced': fields.function(_invoiced, string='Invoiced & Paid', type='boolean', help="It indicates that an invoice has been paid"),
'invoiced_rate': fields.function(_invoiced_rate, string='Invoiced', type='float'),
- 'invoice_method': fields.selection([('manual','Manual'),('order','From Order'),('picking','From Reception')], 'Invoicing Control', required=True,
+ 'invoice_method': fields.selection([('manual','From PO/PO lines'),('order','Draft invoices pre-generated'),('picking','From receptions')], 'Invoicing Control', required=True,
help="From Order: a draft invoice will be generated based on the purchase order. The accountant " \
"will just have to validate this invoice for control.\n" \
"From Reception: a draft invoice will be generated based on validated receptions.\n" \