text: Thanks for your comment DENelson83, I agree that this note can be resolved, and no action is necessary, but I think you are mistaken about the privacy issue. I put up a question about it on help.osm.org, and the initial responses seem to agree with me that there is nothing wrong with adding a unit number in this context. Please feel free to comment if you feel I'm mistaken:
  
  https://help.openstreetmap.org/questions/70463/is-mapping-of-individual-unit-addresses-in-private-residential-developments-forbiden