Update README.md

Author: AndrewMarchukov

README.md

@@ -10,6 +10,10 @@ cd directory where Dockerfile `docker build -t transmission-tracker-add:latest .
 ```
 docker run --net=host -d -e HOSTPORT=localhost:9091 -e TR_AUTH=user:password --name=transmission-tracker-add andrewmhub/transmission-tracker-add:latest
 ```
-if you use transmission daemon in docker then read [Docker Documentation](https://docs.docker.com/network/)
+if need use another torrent tracker list use docker run env 
+
+`-e TORRENTLIST=https://raw.githubusercontent.com/user/trackerslist/master/mylist.txt`
+
+you use transmission daemon in docker then read [Docker Documentation](https://docs.docker.com/network/)