diff --git a/README.md b/README.md
index 8471887..49f82ac 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ If you bridge both sides to a real NIC and you have DHCP servers on both network
 - Connect a port between the hosts, for example using SSH port forwarding
 - Make two FIFOs on both hosts (mkfifo)
 - Use netcat to connect the FIFOs between the hosts through the forwarded port
-  - `nc -l 10000 < fifo1 > fifo2`
+  - `nc -l 10000 < fifo1 > fifo2` (with some implementations apparently `nc -l -p ...` -\_- )
   - `nc localhost 10000 < fifo1 > fifo2`
 - Start an instance of EtherCat with the other ends of the FIFOs on both hosts
   - `./ethercat tapN < fifo2 > fifo1`