- document the multicast argument for ip link

diff --git a/include/usage.h b/include/usage.h
index c29c6c8..4ba540c 100644 (file)
--- a/include/usage.h
+++ b/include/usage.h
@@ -1575,7 +1575,7 @@
 #define iplink_trivial_usage \
        "{ set DEVICE { up | down | arp { on | off } | show [ DEVICE ] }"
 #define iplink_full_usage \
-       "iplink set DEVICE { up | down | arp { on | off } |\n" \
+       "iplink set DEVICE { up | down | arp | multicast { on | off } |\n" \
        "                       dynamic { on | off } |\n" \
        "                       mtu MTU }\n" \
        "iplink show [ DEVICE ]"