[PATCH 2/3] miitool: clarify help text for default behavior and -s option

[Bo Sun <bo@mboxify.com>]

The -s option description was misleading about default behavior.
Clarify that miitool without options shows all PHYs, and -s requires
a device argument.

Signed-off-by: Bo Sun <bo@mboxify.com>
---
 commands/miitool.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/commands/miitool.c b/commands/miitool.c
index 0121fdc542..0c70b51ad3 100644
--- a/commands/miitool.c
+++ b/commands/miitool.c
@@ -344,9 +344,11 @@ BAREBOX_CMD_HELP_TEXT("Media Independent Interface (MII) unit as well as allowin
 BAREBOX_CMD_HELP_TEXT("register dummy PHY devices for raw MDIO access. Most fast ethernet")
 BAREBOX_CMD_HELP_TEXT("adapters use an MII to autonegotiate link speed and duplex setting.")
 BAREBOX_CMD_HELP_TEXT("")
+BAREBOX_CMD_HELP_TEXT("When run without options, shows status of all PHYs.")
+BAREBOX_CMD_HELP_TEXT("")
 BAREBOX_CMD_HELP_TEXT("Options:")
 BAREBOX_CMD_HELP_OPT("-v", "increase verbosity")
-BAREBOX_CMD_HELP_OPT("-s <devpath/devname>", "show PHY status (not providing PHY prints status of all)")
+BAREBOX_CMD_HELP_OPT("-s <devpath/devname>", "show PHY status for specified device")
 BAREBOX_CMD_HELP_OPT("-r <busno>:<adr>", "register a PHY")
 BAREBOX_CMD_HELP_END