diff --git a/addons/payment_sips/models/payment.py b/addons/payment_sips/models/payment.py
index 46464b7d60c..bbbe64b3feb 100644
--- a/addons/payment_sips/models/payment.py
+++ b/addons/payment_sips/models/payment.py
@@ -42,8 +42,8 @@ class AcquirerSips(models.Model):
     provider = fields.Selection(selection_add=[('sips', 'Sips')])
     sips_merchant_id = fields.Char('Merchant ID', help="Used for production only", required_if_provider='sips', groups='base.group_user')
     sips_secret = fields.Char('Secret Key', size=64, required_if_provider='sips', groups='base.group_user')
-    sips_test_url = fields.Char("Test's url", required_if_provider='sips', groups='base.group_no_one', default='https://payment-webinit.sips-atos.com/paymentInit')
-    sips_prod_url = fields.Char("Prod's url", required_if_provider='sips', groups='base.group_no_one', default='https://payment-webinit.simu.sips-atos.com/paymentInit')
+    sips_test_url = fields.Char("Test url", required_if_provider='sips', groups='base.group_no_one', default='https://payment-webinit.sips-atos.com/paymentInit')
+    sips_prod_url = fields.Char("Production url", required_if_provider='sips', groups='base.group_no_one', default='https://payment-webinit.simu.sips-atos.com/paymentInit')
     sips_version = fields.Char("Interface Version", required_if_provider='sips', groups='base.group_no_one', default='HP_2.3')
 
     def _sips_generate_shasign(self, values):