Detail instructions about expanding the Boskos pool of resources
## Expanding Boskos pool
-1. Create new GCP projects and add them to [resources.yaml](./boskos/resources.yaml).
+1. Create a new GCP project and add it to [resources.yaml](./boskos/resources.yaml).
+
+1. Make `knative-tests@appspot.gserviceaccount.com` an editor of the project.
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+1. Enable the Compute Engine API for the project (e.g., by visiting https://console.developers.google.com/apis/api/compute.googleapis.com/overview?project=XXXXXXXX).
+
+1. Enable the Kubernetes Engine API for the project (e.g., by visiting https://console.cloud.google.com/apis/api/container.googleapis.com/overview?project=XXXXXXXX).
1. Run `make update-boskos-config`.
