Hi there and welcome to OSM :)

One tipp when adding buildings (or anything else that's supposed to be rectangular):
After tracing the outline hit the button "Q" to make all angles right angles. Maybe revisit your garages and try it :)

any questions? Shoot
either direct message or here
https://wiki.openstreetmap.org/wiki/Contact_channels#Chats.2Fmessengers

cheers
silversurfer83
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            Published using OSMCha: https://osmcha.org/changesets/136488814
            