fix to comments
fix to comments


Former-commit-id: 6bf0b8d408823269e970c26502921a56b0f873bc
openworm/PyOpenWorm,gsarma/PyOpenWorm,gsarma/PyOpenWorm,travs/PyOpenWorm,kaustubhcs/PyOpenWorm,hnunner/PyOpenWorm,openworm/PyOpenWorm