Use model plural name as title

useradmin/templates/admin/change_list.html

@@ -38,6 +38,8 @@
 
 {% block coltype %}flex{% endblock %}
 
+{% block content_title %}<h2>{{ cl.opts.verbose_name_plural|capfirst }}</h2>{% endblock %}
+
 {% block content %}
   <div id="content-main">
     {% block object-tools %}