tftp: more helpful help text

[Sascha Hauer]

On Mon, Jul 21, 2014 at 11:37:37PM +0200, Pavel Machek wrote:
> 
> It took me a while to figure out syntax of tftp command, document that 
> server address is taken from environment.
> 
> Signed-off-by: Pavel Machek <pavel at ucw.cz>

Applied, thanks

Sascha

> 
> diff --git a/commands/tftp.c b/commands/tftp.c
> index c066631..62b9424 100644
> --- a/commands/tftp.c
> +++ b/commands/tftp.c
> @@ -92,7 +92,8 @@ err_free:
>  }
>  
>  BAREBOX_CMD_HELP_START(tftp)
> -BAREBOX_CMD_HELP_TEXT("Load (or save) a file via TFTP.")
> +BAREBOX_CMD_HELP_TEXT("Load (or save) a file via TFTP. SOURCE is a path on server,")
> +BAREBOX_CMD_HELP_TEXT("server address is taken from the environment (ethX.serverip).")
>  BAREBOX_CMD_HELP_TEXT("")
>  BAREBOX_CMD_HELP_TEXT("Options:")
>  BAREBOX_CMD_HELP_OPT ("-p", "push to TFTP server")
> 
> -- 
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
> 

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