Where do I report typo?

Sometimes, there are things I see that left me in puzzlement.  I found a typo in a map in the subway:

Yes, there is a typo in there!  There is another map with the correct version:

It may be just the name of a building but it is embarassing.  This will be another reason to ask, in my testament, not to have my name used in typonymy (the naming of places and street)