Fix confusing error messages from sloppy copying and pasting of code
Fix confusing error messages from sloppy copying and pasting of code

mapbox/tippecanoe,mapbox/tippecanoe,landsurveyorsunited/tippecanoe,mapbox/tippecanoe,landsurveyorsunited/tippecanoe,joykuotw/tippecanoe,joykuotw/tippecanoe,mapbox/tippecanoe