docstring update
docstring update

fzzy/radix,mediocregopher/radix.v2,mediocregopher/radix.v3,rightscale/radix,alphagov/radix,beni55/radix,gabrielperezs/radix.improved,bpowers/radix,bpowers/radix,trigrass2/radix,ctrlaltdel121/radix