Document new command line options

Signed-off-by: Joachim Nilsson <[email protected]>

README.md

@@ -51,21 +51,22 @@ usage
 ```shell
     $ mcjoin -h
 
-    Usage: mcjoin [-dhjqsv] [-c COUNT] [-i IFNAME] [-p PORT] [-r SEC] [-t TTL]
+    Usage: mcjoin [-dhjsv] [-c COUNT] [-i IFACE] [-p PORT] [-r SEC] [-t TTL] [-w SEC]
                   [[SOURCE,]GROUP0 .. [SOURCE,]GROUPN | [SOURCE,]GROUP+NUM]
 
     Options:
-      -c COUNT     Exit after COUNT number of received and/or sent packets
-      -d           Debug output
-      -h           This help text
-      -i IFNAME    Interface to use for multicast groups, default eth0
-      -j           Join groups, default unless acting as sender
-      -p PORT      UDP port number to listen to, default: 1234
-      -q           Quiet mode
-      -r SEC       Do a join/leave every SEC seconds
-      -s           Act as sender, sends packets to select groups
-      -t TTL       TTL to use when sending multicast packets, default 1
-      -v           Display program version
+      -c COUNT    Stop sending/receiving after COUNT number of packets
+      -d          Run as daemon in background, output except progress to syslog
+      -h          This help text
+      -i IFACE    Interface to use for sending/receiving multicast, default eth0
+      -j          Join groups, default unless acting as sender
+      -l LEVEL    Set log level; none, notice*, debug\n"
+      -p PORT     UDP port number to listen to, default: 1234
+      -r SEC      Do a join/leave every SEC seconds (backwards compat. option)
+      -s          Act as sender, sends packets to select groups
+      -t TTL      TTL to use when sending multicast packets, default 1
+      -v          Display program version
+	  -w SEC      Initial wait before opening sockets
     
     Bug report address: https://github.com/troglobit/mcjoin/issues
     Project homepage: https://github.com/troglobit/mcjoin/