netbox/netbox/templates/extras/objectchange_list.html

{% extends 'generic/object_list.html' %}

{% block title %}Change Log{% endblock %}

{% block sidebar %}
    <div class="text-muted">
        Change log retention: {% if settings.CHANGELOG_RETENTION %}{{ settings.CHANGELOG_RETENTION }} days{% else %}Indefinite{% endif %}
    </div>
{% endblock %}