Updated html title [ci skip]

app/templates/verify.html

@@ -1,7 +1,7 @@
 {% extends "admin_template.html" %}
 
 {% block page_title %}
-Hello world!
+GOV.UK Notify | Confirm email address and mobile number
 {% endblock %}
 
 {% block content %}
@@ -32,4 +32,4 @@ Hello world!
 	</div>
 </div>
 
-{% endblock %}
+{% endblock %}