udhcpc: document SIGUSRn effect in help text
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 78aabed..7e5ab61 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -926,6 +926,10 @@
//usage: "\n -v Verbose"
//usage: )
//usage: )
+//usage: "\nSignals:"
+//usage: "\n USR1 Renew current lease"
+//usage: "\n USR2 Release current lease"
+
int udhcpc_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int udhcpc_main(int argc UNUSED_PARAM, char **argv)