Vulcan/packages/nova-notifications/lib/client/templates/notification_new_comment.html

<template name="notification_new_comment">
  <p>
    <a href="{{profileUrl}}">{{authorName}}</a> 
    {{_ "left_a_new_comment_on"}}  
    <a href="{{commentUrl}}" class="action-link">{{postTitle}}</a>
  </p>
</template>