Describe how to remove all data and configs

README.md

@@ -24,10 +24,14 @@ If you don't have them you can generate a self-signed SSL certificate.
 
 Run `docker-compose stop`.
 
-### Remove
+### Remove the containers
 
 Run `docker-compose stop && docker-compose rm`.
 
+### Remove the data and settings of your mattermost instance
+
+Remove `volumes` directory
+
 ## Known Issues
 
 * Do not modify the Listen Address in Service Settings.