Updates url for creating a sample user (#16412)

content/en/docs/tasks/access-application-cluster/web-ui-dashboard.md

@@ -35,7 +35,8 @@ kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-b
 
 ## Accessing the Dashboard UI
 
-To protect your cluster data, Dashboard deploys with a minimal RBAC configuration by default. Currently, Dashboard only supports logging in with a Bearer Token.
+
+To protect your cluster data, Dashboard deploys with a minimal RBAC configuration by default. Currently, Dashboard only supports logging in with a Bearer Token. To create a token for this demo, you can follow our guide on [creating a sample user](https://github.com/kubernetes/dashboard/blob/master/docs/user/access-control/creating-sample-user.md).
 
 {{< warning >}}
 The sample user created in the tutorial will have administrative privileges and is for educational purposes only.