<span class="activity-description">commented on
  <a href="{{ activity.fact_url }}">{{ activity.fact_displaystring }}</a>
</span>

<span class="activity-description">commented on
  <a href="{{ activity.target_url }}" rel="backbone">{{ activity.fact_displaystring }}</a>
</span>

Make created_comment activity in stream link to correct Factlink
Make created_comment activity in stream link to correct Factlink
