minor fix in osm mapping documentation
minor fix in osm mapping documentation

markles/GeoGit,markles/GeoGit,markles/GeoGit,boundlessgeo/GeoGig,annacarol/GeoGig,boundlessgeo/GeoGig,markles/GeoGit,markles/GeoGit,annacarol/GeoGig,annacarol/GeoGig,boundlessgeo/GeoGig