Extra `.0` should be removed for Centos and RHEL
Extra `.0` should be removed for Centos and RHEL

false: sudo yum-config-manager --enable docker-ee-stable-18.09.09
correct: sudo yum-config-manager --enable docker-ee-stable-18.09
 
I bumped into this while setting up a test env on Centos.  Did a quick test on RHEL, and I could see the same issue.
londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,londoncalling/docker.github.io,docker/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,docker/docker.github.io,londoncalling/docker.github.io,docker/docker.github.io