<div class=“categories”>

  <span><p>Categories:</p>
  {% assign categories = page.categories %}
  {% for category in categories %}
    <a href="{% capture url %}/categories/#{{ category | slugify }}{% endcapture %}
    {{ url | relative_url }}">{{category}}</a>
    {% unless forloop.last %}&nbsp;{% endunless %} 
  {% endfor %}
</span>

</div>