Fix typos in docs on ucp backups
Fix typos in docs on ucp backups

- "an fault-tolerant file system" to "a fault-tolerant file system"
- removed duplicate "using"
- removed superfluous spaces
- fixed bullet point list
docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io