fix password reset sent h1 title

sourcing/templates/auth/password_reset_sent.html

@@ -3,7 +3,7 @@
 {% block title %}Reset password{% endblock %}
 
 {% block content %}
-<h1>{{ title }}</h1>
+<h1>{{ self.title() }}</h1>
 <p>We've emailed you instructions for setting your password, if an account
 exists with the email you entered. You should receive them shortly.</p>