esp-idf/docs/en/_templates/layout.html

{% extends '!layout.html' %}
{% block comments %}
<p style="text-align:center"><a href="https://www.espressif.com/en/company/documents/documentation_feedback?docId=4287&sections={{ title|striptags|e }} ({{ pagename }})&version={{ idf_target }} {{ release }} ({{ version }})">Provide feedback about this document</a></p>
{% endblock %}