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

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