diff --git a/addons/mass_mailing_sms/models/mailing_mailing.py b/addons/mass_mailing_sms/models/mailing_mailing.py
index e0558636ddb..66f93e4d271 100644
--- a/addons/mass_mailing_sms/models/mailing_mailing.py
+++ b/addons/mass_mailing_sms/models/mailing_mailing.py
@@ -118,9 +118,9 @@ class Mailing(models.Model):
 
     def action_test(self):
         if self.mailing_type == 'sms':
-            ctx = dict(self.env.context, default_mailing_id=self.id)
+            ctx = dict(self.env.context, default_mailing_id=self.id, dialog_size='medium')
             return {
-                'name': _('Test SMS marketing'),
+                'name': _('Test Mailing'),
                 'type': 'ir.actions.act_window',
                 'view_mode': 'form',
                 'res_model': 'mailing.sms.test',
diff --git a/addons/mass_mailing_sms/wizard/mailing_sms_test_views.xml b/addons/mass_mailing_sms/wizard/mailing_sms_test_views.xml
index 2bf3eb1b627..e611c73746a 100644
--- a/addons/mass_mailing_sms/wizard/mailing_sms_test_views.xml
+++ b/addons/mass_mailing_sms/wizard/mailing_sms_test_views.xml
@@ -6,22 +6,22 @@
         <field name="arch" type="xml">
             <form string="Send a Sample SMS">
                 <p class="text-muted">
-                    Send a sample SMS for testing purpose to the numbers below (carriage-return-separated list).
+                    Send a sample SMS for testing purpose to the numbers below.
                 </p>
                 <group>
                     <field name="numbers" placeholder="+32 495 85 85 77&#10;+33 545 55 55 55"/>
                     <field name="mailing_id" invisible="1"/>
                 </group>
                 <footer>
-                    <button string="Send" name="action_send_sms" type="object" class="btn-primary" data-hotkey="q"/>
-                    <button string="Cancel" class="btn btn-secondary" special="cancel" data-hotkey="x"/>
+                    <button string="Send Test" name="action_send_sms" type="object" class="btn-primary" data-hotkey="q"/>
+                    <button string="Discard" class="btn btn-secondary" special="cancel" data-hotkey="x"/>
                 </footer>
             </form>
         </field>
     </record>
 
     <record id="mailing_sms_test_action" model="ir.actions.act_window">
-        <field name="name">Test SMS Marketing</field>
+        <field name="name">Test Mailing</field>
         <field name="res_model">mailing.sms.test</field>
         <field name="view_mode">form</field>
         <field name="target">new</field>