Update --address help text to match gcloud help text.
Update --address help text to match gcloud help text.

spinnaker/spinnaker,jtk54/spinnaker,ewiseblatt/spinnaker,spinnaker/spinnaker,skim1420/spinnaker,tgracchus/spinnaker,Roshan2017/spinnaker,stitchfix/spinnaker,ewiseblatt/spinnaker,spinnaker/spinnaker,imosquera/spinnaker,tgracchus/spinnaker,skim1420/spinnaker,duftler/spinnaker,spinnaker/spinnaker,ewiseblatt/spinnaker,Roshan2017/spinnaker,jtk54/spinnaker,Roshan2017/spinnaker,skim1420/spinnaker,stitchfix/spinnaker,tgracchus/spinnaker,skim1420/spinnaker,stitchfix/spinnaker,imosquera/spinnaker,duftler/spinnaker,duftler/spinnaker,duftler/spinnaker,imosquera/spinnaker,jtk54/spinnaker,ewiseblatt/spinnaker