Feedback text for /teleport does not include details for facing

It does include details for where the affected entity/entities were teleported. To reproduce on a flatworld:

1. Teleport to the origin: /tp 0 -60 0
2. Spawn a pig: /summon pig
3. Teleport to face the pig: /teleport @p 0 -60 0 facing entity @e[type=pig,limit=1]
4. "Teleported {username} to 0.5, 10.0, 0.5" will be printed in chat

The feedback text is adjusted accordingly if an entity is teleported to. However, there is no mention of the facing argument.