netbox-community-netbox/netbox/templates/utilities/obj_delete.html

{% extends 'utilities/confirmation_form.html' %}
{% load form_helpers %}

{% block title %}Delete {{ obj_type }}?{% endblock %}

{% block message %}
    <p>Are you sure you want to delete {{ obj_type }} <strong>{{ obj }}</strong>?</p>
    {% block message_extra %}{% endblock %}
{% endblock %}