Fixed the title and added the appropriate heading in 'assignment-edit.html'

widget_k3git/assignments/templates/assignments/assignment-edit.html

 {% extends 'base.html' %}
 
-{% block title %}Edit Book{% endblock %}
+{% block title %}Edit Assignment{% endblock %}
+<h1>Edit Assignment:</h1>
 {% block content %}
 <form action="" method="post">
 	{% csrf_token %}