Fix roundness typo
Fix roundness typo

Closes #374

camallen/Panoptes,astopy/Panoptes,srallen/Panoptes,zooniverse/Panoptes,marten/Panoptes,astopy/Panoptes,rogerhutchings/Panoptes,zooniverse/Panoptes,zooniverse/Panoptes,marten/Panoptes,edpaget/Panoptes,parrish/Panoptes,zooniverse/Panoptes,rogerhutchings/Panoptes,edpaget/Panoptes,camallen/Panoptes,astopy/Panoptes,edpaget/Panoptes,srallen/Panoptes,camallen/Panoptes,parrish/Panoptes,edpaget/Panoptes,camallen/Panoptes,rogerhutchings/Panoptes,rogerhutchings/Panoptes,astopy/Panoptes,parrish/Panoptes,srallen/Panoptes,srallen/Panoptes,parrish/Panoptes,marten/Panoptes,marten/Panoptes