Improve explanation of KubernetesCluster tag
Improve explanation of KubernetesCluster tag

justinsb/kops,mad01/kops,justinsb/kops,aledbf/kops,blakebarnett/kops,chrislovecnm/kops,kubernetes/kops,aledbf/kops,gambol99/kops,mad01/kops,andrewsykim/kops,blakebarnett/kops,tsupertramp/kops,robinpercy/kops,chrislovecnm/kops,mad01/kops,tsupertramp/kops,kubernetes/kops,mad01/kops,tsupertramp/kops,robinpercy/kops,aledbf/kops,andrewsykim/kops,chrislovecnm/kops,aledbf/kops,andrewsykim/kops,justinsb/kops,robinpercy/kops,gambol99/kops,robinpercy/kops,kubernetes/kops,tsupertramp/kops,blakebarnett/kops,gambol99/kops,blakebarnett/kops,andrewsykim/kops,gambol99/kops,chrislovecnm/kops