ovs-ofctl: Fix usage message for "monitor" command.

The "monitor" command takes at most two arguments, and the second one is
optional, so express that correctly.

diff --git a/utilities/ovs-ofctl.c b/utilities/ovs-ofctl.c
index d9ee607b349435b7e9ffdac3c3ae6b13cb637060..61d0e104706be30267f29353b2dcfddb1329b273 100644 (file)
--- a/utilities/ovs-ofctl.c
+++ b/utilities/ovs-ofctl.c
@@ -162,7 +162,7 @@ usage(void)
            "  add-flows SWITCH FILE       add flows from FILE\n"
            "  mod-flows SWITCH FLOW       modify actions of matching FLOWs\n"
            "  del-flows SWITCH [FLOW]     delete matching FLOWs\n"
-           "  monitor SWITCH MISSLEN EXP  print packets received from SWITCH\n"
+           "  monitor SWITCH [MISSLEN]    print packets received from SWITCH\n"
            "\nFor OpenFlow switches and controllers:\n"
            "  probe VCONN                 probe whether VCONN is up\n"
            "  ping VCONN [N]              latency of N-byte echos\n"