diff --git a/addons/gamification/views/challenge.xml b/addons/gamification/views/challenge.xml
index 6c920cec2d7..75dcd4a7959 100644
--- a/addons/gamification/views/challenge.xml
+++ b/addons/gamification/views/challenge.xml
@@ -47,7 +47,7 @@
                             </h1>
                             <label for="user_domain" class="oe_edit_only" string="Assign Challenge To"/>
                             <div>
-                                <field name="user_domain" />
+                                <field name="user_domain" widget="char_domain" options="{'model': 'res.users'}" />
                             </div>
                         </div>
 
diff --git a/addons/website_forum/data/badges_participation.xml b/addons/website_forum/data/badges_participation.xml
index 20a9b0eaf41..cf1f79185e1 100644
--- a/addons/website_forum/data/badges_participation.xml
+++ b/addons/website_forum/data/badges_participation.xml
@@ -117,7 +117,7 @@
             <field name="level">silver</field>
         </record>
         <record model="gamification.challenge" id="challenge_chief_commentator">
-            <field name="name">Commentator</field>
+            <field name="name">Chief Commentator</field>
             <field name="period">once</field>
             <field name="visibility_mode">personal</field>
             <field name="report_message_frequency">never</field>