<h2>
<a href="{{ include.category_page.url }}"> {{ include.category_page.title }}: <small>{{ site.categories[include.category].size }} posts</small> </a>
</h2>
<h2>
<a href="{{ include.category_page.url }}"> {{ include.category_page.title }}: <small>{{ site.categories[include.category].size }} posts</small> </a>
</h2>