fix relref (#652)

Author: kaitlynmichael

content/operate/kubernetes/recommendations/node-selection.md

@@ -28,7 +28,7 @@ Here are the ways that you can control the pod scheduling:
 
 ## Using node selectors
 
-The [`nodeSelector`]({{<relref "/operate/kubernetes/reference/redis_enterprise_cluster_api/#spec">}})
+The [`nodeSelector`]({{<relref "/operate/kubernetes/reference/redis_enterprise_cluster_api#spec">}})
 property of the cluster specification uses the same values and structures as
 the [Kubernetes `nodeSelector`](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector).
 In general, node labels are a simple way to make sure that specific nodes are used for Redis Enterprise pods.