blog/_src/_includes/entry_meta.html

<footer class="entry-meta">
	<p class="byline author vcard source-org">
        <span class="by">by</span> <a class="fn" rel="author" href="/about/">
			{% if page.author %}
				{{ page.author }}
			{% else %}
				{{ site.author.name }}
			{% endif %}
		</a>
    </p>

     <time is="time-ago" class="pubdate" datetime="{{ page.date | date_to_xmlschema }}" pubdate{% if page.updated %} data-updated="true"{% endif %}>{{ page.date | date_to_string }}</time>

    {% if page.updated %}
      <time is="time-ago" class="updated" datetime="{{ page.updated | date_to_xmlschema }}">Updated {{ page.updated | date_to_string }}</time>
    {% endif %}

</footer>