{% for post in site.posts %}
  {% if post.categories contains page.category %}
    {% for category in site.data.categories %}
      {% if category.slug == post.category %}
        {% assign category_name =  category.name %}
      {% endif %}
    {% endfor %}
  {% endif %}
{% endfor %}

<div class="about">
    <div class="about__devider">*****</div>
    <div class="about__text">
        <a href="{{ post.category | prepend: site.url }}"> Other posts in {{ category_name }}</a>
    </div>
    <div class="about__text">
        Written by the pseudonymous<strong> {% if page.author.fullname %} {{ page.author.fullname }} {% else %} {{ site.author.fullname }} {% endif %}</strong>
        on <strong>{{ page.date | date: "%d %B %Y" }}</strong>
    </div>
</div>