[PATCH] cmd: mmc: update the mmc command's usage about argument

[Simon Glass]

Hi Jaehoon,

On Mon, 14 Dec 2020 at 03:09, Jaehoon Chung <jh80.chung at samsung.com> wrote:
>
> It's confused what is optional or mandantary argument.

how about: It's confusing whether arguments are optional or mandatory

> Update the command's usage to clarify how to use.

Are you using <> to indicate optional? I see [] used more commonly.

>
> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
> ---
>  cmd/mmc.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Regards,
Simon