[Tagging] Typo fix for tunnel=building_passage and how to proceed in the future

[Martin Koppenhoefer]

sent from a phone

> Il giorno 10 set 2016, alle ore 15:35, "ajt1047 at gmail.com" <ajt1047 at gmail.com> ha scritto:
> 
> In the case of "tunnel=buildig_passage" it's pretty obvious what the previous mapper meant.


+1, I would expect a more detailed list which tags/typos should be corrected to which other tag. Just "fixing typos" can mean a lot of different things to different people 


cheers,
Martin