Correct a small error in Ubuntu EE doc (#5896)
Correct a small error in Ubuntu EE doc (#5896)


docker/docker.github.io,londoncalling/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,anweiss/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,johnstep/docker.github.io,JimGalasyn/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,johnstep/docker.github.io,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,johnstep/docker.github.io,londoncalling/docker.github.io,thaJeztah/docker.github.io,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,johnstep/docker.github.io,JimGalasyn/docker.github.io,londoncalling/docker.github.io,docker/docker.github.io,docker/docker.github.io