Update README.md

Author: AndrewMarchukov

README.md

@@ -9,7 +9,7 @@ This script automatically checks new torrents and adds trackers
 
 Take image `docker pull andrewmhub/transmission-tracker-add`
 
-```docker run --net=host -d -e HOSTPORT=localhost:9091 -e TR_AUTH=user:password --name=transmission-tracker-add andrewmhub/transmission-tracker-add:latest```
+```docker run --net=host -d -e HOSTPORT=localhost:9091 -e TR_AUTH=user:password -e TORRENTLIST=https://raw.githubusercontent.com/user/trackerslist/master/mylist.txt --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/)