minor fix to make the doc more general
minor fix to make the doc more general

cloudfoundry-incubator/bosh-azure-cpi-release,cloudfoundry-incubator/bosh-azure-cpi-release,bingosummer/bosh-azure-cpi-release,bingosummer/bosh-azure-cpi-release,bingosummer/bosh-azure-cpi-release,cloudfoundry-incubator/bosh-azure-cpi-release