Clarified documentation for ipvlan default to broadcast

Author: ido

src/dhcpcd.8.in

@@ -651,7 +651,7 @@ of a randomly generated number.
 .It Fl J , Fl Fl broadcast
 Instructs the DHCP server to broadcast replies back to the client.
 Normally this is only set for non-Ethernet interfaces,
-such as FireWire and InfiniBand, and for ipvlan interfaces.
+such as FireWire and InfiniBand, and on Linux-based systems for ipvlan as well.
 In most instances,
 .Nm
 will set this automatically.