From api-parse-options.txt:
`description` is a short string to describe the effect of the option.
It shall begin with a lower-case letter and a full stop (`.`) shall be
omitted at the end.
It also makes it less confusing if the argument is 'no.' or 'no'.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>