Fix gcloud commands for GCE deployment
Context:
(side note: I don't see where this create named ports, perhaps you're not using them?)
@@ -181,7 +181,7 @@ gce-many)
# [START create_backend_service]
gcloud compute backend-services create $SERVICE \
- --http-health-check ah-health-check
+ --http-health-checks ah-health-check
# [END create_backend_service]
# [START add_backend_service]
