[PATCH] commands: nv: adjust command help

[Enrico Jorns]

Help did not point out that -r option requires n arguments and did not
mention support for removing variables in help text.

Signed-off-by: Enrico Jorns <ejo at pengutronix.de>
---

Noticed this change would also be required to round out the prior changes for
option parsing.

 commands/nv.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/commands/nv.c b/commands/nv.c
index bb13ed1db0..e3ca9879bd 100644
--- a/commands/nv.c
+++ b/commands/nv.c
@@ -89,18 +89,18 @@ static int do_nv(int argc, char *argv[])
 
 BAREBOX_CMD_HELP_START(nv)
 BAREBOX_CMD_HELP_TEXT("Add a new non volatile variable named VAR, optionally set to VALUE.")
-BAREBOX_CMD_HELP_TEXT("non volatile variables are persistent variables that overwrite the")
+BAREBOX_CMD_HELP_TEXT("Non volatile variables are persistent variables that overwrite the")
 BAREBOX_CMD_HELP_TEXT("global variables of the same name. Their value is saved implicitly with")
 BAREBOX_CMD_HELP_TEXT("'saveenv' or explicitly with 'nv -s'")
 BAREBOX_CMD_HELP_TEXT("")
 BAREBOX_CMD_HELP_TEXT("Options:")
-BAREBOX_CMD_HELP_OPT("-r", "remove non volatile variables")
-BAREBOX_CMD_HELP_OPT("-s", "Save NV variables")
+BAREBOX_CMD_HELP_OPT("-r VAR1 ...", "remove non volatile variable(s)")
+BAREBOX_CMD_HELP_OPT("-s\t", "save NV variables")
 BAREBOX_CMD_HELP_END
 
 BAREBOX_CMD_START(nv)
 	.cmd		= do_nv,
-	BAREBOX_CMD_DESC("create or set non volatile variables")
+	BAREBOX_CMD_DESC("create, set or remove non volatile variables")
 	BAREBOX_CMD_OPTS("[-r] VAR[=VALUE] ...")
 	BAREBOX_CMD_GROUP(CMD_GRP_ENV)
 	BAREBOX_CMD_HELP(cmd_nv_help)
-- 
2.11.0