Re: [PATCH v4] column, range-diff: downcase option description

"Chinmoy via GitGitGadget" [off-list ref] writes:

From: Chinmoy Chakraborty <redacted>

It is customary not to begin the help text for each option given to
the parse-options API with a capital letter. Various (sub)commands'
option arrays don't follow the guideline provided by the parse_options
Documentation regarding the descriptions.

Downcase the first word of some option descriptions for "column"
and "range-diff".

Signed-off-by: Chinmoy Chakraborty <redacted>
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Thanks, Chinmoy, Bagas and Philip.  Will queue.