Fix issue of document link in some documents

content/en/docs/concepts/cluster-administration/monitoring.md

@@ -40,14 +40,14 @@ Note that {{< glossary_tooltip term_id="kubelet" text="kubelet" >}} also exposes
 If your cluster uses {{< glossary_tooltip term_id="rbac" text="RBAC" >}}, reading metrics requires authorization via a user, group or ServiceAccount with a ClusterRole that allows accessing `/metrics`.
 For example:
 ```
-apiVersion: rbac.authorization.k8s.io/v1	
-kind: ClusterRole	
-metadata:	
-  name: prometheus	
-rules:	
-  - nonResourceURLs:	
-      - "/metrics"	
-    verbs:	
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+  - nonResourceURLs:
+      - "/metrics"
+    verbs:
       - get
 ```
 
@@ -130,5 +130,4 @@ cloudprovider_gce_api_request_duration_seconds { request = "list_disk"}
 
 * Read about the [Prometheus text format](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md#text-based-format) for metrics
 * See the list of [stable Kubernetes metrics](https://github.com/kubernetes/kubernetes/blob/master/test/instrumentation/testdata/stable-metrics-list.yaml)
-* Read about the [Kubernetes deprecation policy](https://kubernetes.io/docs/reference/using-api/deprecation-policy/#deprecating-a-feature-or-behavior )
-
+* Read about the [Kubernetes deprecation policy](/docs/reference/using-api/deprecation-policy/#deprecating-a-feature-or-behavior)