Here is the bug in email notices, the last link is shown on my instance, instead on the instance that belongs to the person who favorited it.

(@mmn) just added your notice from Monday, 04-Apr-2016 19:48:17 UTC as one of their favorites.

The URL of your notice is: https://gnusocial.club/notice/14828

The text of your notice is:

Please favorite one of my notices to review if I can repeat the bug. !gnusocial

You can see the list of 's favorites here: https://gnusocial.club/mmn/favorites