Fix TPR name in upgrade guide
@@ -37,7 +37,7 @@ Kubernetes cluster version must be 1.7+.
- `kubectl -n <namespace> delete cluster <cluster-name>`
- Delete the etcd-operator deployment
- Delete the TPR
- - `kubectl delete thirdpartyresource clusters.etcd.coreos.com `
+ - `kubectl delete thirdpartyresource cluster.etcd.coreos.com`
- Replace the existing RBAC rules for the etcd-operator by editing or recreating the `ClusterRole` with the [new rules for CRD](https://github.com/coreos/etcd-operator/blob/master/doc/user/rbac.md#create-clusterrole).
- Recreate the etcd-operator deployment with the `0.5.0` image.
- Create a new cluster that restores from the backup of the previous cluster. The new cluster CR spec should look as follows:
