Adding an explicit note regarding RBAC
@@ -32,6 +32,10 @@ $ helm init --skip-refresh --upgrade --service-account tiller
## Deploy OpenFaaS via Helm
+**Note:** You must also pass `--set rbac=false` if your cluster is not configured with role-based access control. For further information, see [here](https://kubernetes.io/docs/admin/authorization/rbac/).
+
+---
+
To use defaults including the `default` Kubernetes namespace (recommended)
```
