diff --git a/usr.bin/netstat/netstat.1 b/usr.bin/netstat/netstat.1
index 256292a3e529..76dbe930d8bc 100644
--- a/usr.bin/netstat/netstat.1
+++ b/usr.bin/netstat/netstat.1
@@ -192,6 +192,10 @@ or for all protocol families.
 Show the state of interfaces which have been auto-configured
 (interfaces statically configured into a system, but not
 located at boot time are not shown).
+An asterisk
+.Pq Dq *
+after an interface name indicates that the interface is
+.Dq down .
 If the
 .Fl a
 options is also present, multicast addresses currently in use are shown