From b437d5d0afdd5d5bfa3db7a08c7b20ed2d0fc033 Mon Sep 17 00:00:00 2001
From: Andrey Arapov <andrey.arapov@nixaid.com>
Date: Tue, 1 Jan 2019 23:22:08 +0100
Subject: [PATCH] update readme

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d399697..302ef46 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,9 @@ $ sudo apt-get -y install miniupnpc
 $ upnpc -r 4001 tcp
 ```
 
-> Your IGD (router/GW) must support UPnP for this to work.
+> Your IGD (router/GW) must support UPnP for this to work.  
+> You can delete the port published via UPnP by running ``upnpc -d 4001 tcp``
+> and list them ``upnpc -l``.
 
 After that you should see lots of traffic is coming to your port 4001/tcp: