iPhone How to add/tag someone in a photo in the Photos app?

[cstrife]

I have a few photos where iOS recognises a couple faces but totally ignore others. I could not find a way to edit a photo (like I can on the Mac) to add someone.

 

[now i see it]

So you want to tag a photo with info in iOS? Ha ha ha ha ha.

Seriously though - you can't and apl doesn't want you to