minor update of README and Makefile

Signed-off-by: Tomáš Remeš <[email protected]>

Makefile

@@ -197,7 +197,7 @@ deploy:  ## Deploy controller to the K8s cluster specified in ~/.kube/config.
 # UnDeploy controller from the configured Kubernetes cluster in ~/.kube/config
 .PHONY: undeploy
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
-	@$(MAKE) p-C operators/multiclusterobservability undeploy
+	@$(MAKE) -C operators/multiclusterobservability undeploy
 
 # Build the operator binary
 .PHONY: build

README.md

@@ -28,7 +28,7 @@ Thanos Ecosystem | [kube-thanos](https://github.com/stolostron/kube-thanos) | Ku
 
 ### Prerequisites
 
-* Ensure [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl) and [kustomize](https://kubernetes-sigs.github.io/kustomize/installation) are installed.
+* Ensure [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl) and [kustomize](https://kubectl.docs.kubernetes.io/installation/kustomize/) are installed.
 * Prepare a OpenShift cluster to function as the hub cluster.
 * Ensure [docker 17.03+](https://docs.docker.com/get-started) is installed.
 * Ensure [golang 1.15+](https://golang.org/doc/install) is installed.