netbox/docs/_theme/partials/copyright.html

<div class="md-copyright">
  {% if config.copyright %}
    <div class="md-copyright__highlight">
      {{ config.copyright }}
    </div>
  {% endif %}
  {% if not config.extra.generator == false %}
    Made with
    <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener">
      Material for MkDocs
    </a>
  {% endif %}
</div>
{% if not config.extra.build_public %}
  <div class="md-copyright">
    ℹ️ Documentation is being served locally
  </div>
{% endif %}