templates/inc/edit-on-github-link.html

{% if edit_on_github_url %}
    <a href="{{ edit_on_github_url }}"
        class="page-link-to-github"
        target="_blank"
        title="Edit this page on GitHub">
            <i class="github-icon"></i>
            <span class="text">Edit Page</span>
    </a>
{% endif %}