diff --git a/README.md b/README.md
index 28818dc..04996af 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,15 @@ Note that if you paste these commands into a shell script, which you then run wi
 For DNS to work, you might need an additional tool like [dnsproxy](https://github.com/AdguardTeam/dnsproxy) that is
 configured to listen on a local UDP port and communicates with the upstream DNS server via TCP.
 
+When you end the running of this program and want to eliminate the impact caused by the above several commands,
+you can execute the following commands.
+```shell
+sudo ip route del 0.0.0.0/1 dev tun0
+sudo ip route del 128.0.0.0/1 dev tun0
+sudo ip link set tun0 down
+sudo ip tuntap del tun0 mode tun
+```
+
 ## CLI
 ```
 Tunnel interface to proxy.