udhcpc: tweak help text

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index f5d32b795..ca31e1cb8 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -1135,8 +1135,9 @@ static void client_background(void)
 //usage:# define IF_UDHCP_VERBOSE(...)
 //usage:#endif
 //usage:#define udhcpc_trivial_usage
-//usage:       "[-fbnq"IF_UDHCP_VERBOSE("v")"oCRB] [-i IFACE] [-r IP] [-s PROG] [-p PIDFILE]\n"
-//usage:       "        [-V VENDOR] [-x OPT:VAL]... [-O OPT]..." IF_FEATURE_UDHCP_PORT(" [-P N]")
+//usage:       "[-fbq"IF_UDHCP_VERBOSE("v")IF_FEATURE_UDHCPC_ARPING("a")"oCRB] [-t N] [-T SEC] [-A SEC/-n]\n"
+//usage:       "        [-i IFACE]"IF_FEATURE_UDHCP_PORT(" [-P PORT]")" [-r IP] [-s PROG] [-p PIDFILE]\n"
+//usage:       "        [-V VENDOR] [-x OPT:VAL]... [-O OPT]..."
 //usage:#define udhcpc_full_usage "\n"
 //usage:        IF_LONG_OPTS(
 //usage:     "\n        -i,--interface IFACE    Interface to use (default eth0)"
@@ -1144,18 +1145,18 @@ static void client_background(void)
 //usage:     "\n        -s,--script PROG        Run PROG at DHCP events (default "CONFIG_UDHCPC_DEFAULT_SCRIPT")"
 //usage:     "\n        -B,--broadcast          Request broadcast replies"
 //usage:     "\n        -t,--retries N          Send up to N discover packets (default 3)"
-//usage:     "\n        -T,--timeout N          Pause between packets, sec (default 3)"
-//usage:     "\n        -A,--tryagain N         Wait N seconds after failure (default 20)"
+//usage:     "\n        -T,--timeout SEC        Pause between packets (default 3)"
+//usage:     "\n        -A,--tryagain SEC       Wait after failure (default 20)"
+//usage:     "\n        -n,--now                Exit if lease is not obtained"
+//usage:     "\n        -q,--quit               Exit after obtaining lease"
+//usage:     "\n        -R,--release            Release IP on exit"
 //usage:     "\n        -f,--foreground         Run in foreground"
 //usage:        USE_FOR_MMU(
 //usage:     "\n        -b,--background         Background if lease is not obtained"
 //usage:        )
-//usage:     "\n        -n,--now                Exit if lease is not obtained"
-//usage:     "\n        -q,--quit               Exit after obtaining lease"
-//usage:     "\n        -R,--release            Release IP on exit"
 //usage:     "\n        -S,--syslog             Log to syslog too"
 //usage:        IF_FEATURE_UDHCP_PORT(
-//usage:     "\n        -P,--client-port N      Use port N (default 68)"
+//usage:     "\n        -P,--client-port PORT   Use PORT (default 68)"
 //usage:        )
 //usage:        IF_FEATURE_UDHCPC_ARPING(
 //usage:     "\n        -a,--arping             Use arping to validate offered address"
@@ -1181,18 +1182,18 @@ static void client_background(void)
 //usage:     "\n        -s PROG         Run PROG at DHCP events (default "CONFIG_UDHCPC_DEFAULT_SCRIPT")"
 //usage:     "\n        -B              Request broadcast replies"
 //usage:     "\n        -t N            Send up to N discover packets (default 3)"
-//usage:     "\n        -T N            Pause between packets, sec (default 3)"
-//usage:     "\n        -A N            Wait N seconds (default 20) after failure"
+//usage:     "\n        -T SEC          Pause between packets (default 3)"
+//usage:     "\n        -A SEC          Wait after failure (default 20)"
+//usage:     "\n        -n              Exit if lease is not obtained"
+//usage:     "\n        -q              Exit after obtaining lease"
+//usage:     "\n        -R              Release IP on exit"
 //usage:     "\n        -f              Run in foreground"
 //usage:        USE_FOR_MMU(
 //usage:     "\n        -b              Background if lease is not obtained"
 //usage:        )
-//usage:     "\n        -n              Exit if lease is not obtained"
-//usage:     "\n        -q              Exit after obtaining lease"
-//usage:     "\n        -R              Release IP on exit"
 //usage:     "\n        -S              Log to syslog too"
 //usage:        IF_FEATURE_UDHCP_PORT(
-//usage:     "\n        -P N            Use port N (default 68)"
+//usage:     "\n        -P PORT         Use PORT (default 68)"
 //usage:        )
 //usage:        IF_FEATURE_UDHCPC_ARPING(
 //usage:     "\n        -a              Use arping to validate offered address"