// Listen announces on the local network address laddr.
// The network string net must be a stream-oriented network:
-// "tcp", "tcp4", "tcp6", or "unix", or "unixpacket".
+// "tcp", "tcp4", "tcp6", "unix" or "unixpacket".
func Listen(net, laddr string) (Listener, error) {
afnet, a, err := resolveNetAddr("listen", net, laddr)
if err != nil {