beautifulSA-jekyll/_includes/utterances-comment.html

{% if site.utterances.repository and site.utterances.issue-term  %}

<script src="https://utteranc.es/client.js"
        repo="{{ site.utterances.repository }}"
        issue-term="{{ site.utterances.issue-term }}"
        theme="{{ site.utterances.theme}}"
        label="{{ site.utterances.label}}" 
        crossorigin="anonymous"
        async>
</script>

{% endif %}