diff --git a/bitnami/metrics-server/README.md b/bitnami/metrics-server/README.md
index be3768032..53f3b335e 100644
--- a/bitnami/metrics-server/README.md
+++ b/bitnami/metrics-server/README.md
@@ -58,7 +58,7 @@ The following tables lists the configurable parameters of the Metrics Server cha
 | `nameOverride`           | String to partially override metrics-server.fullname template with a string (will prepend the release name) | `nil`  |
 | `fullnameOverride`       | String to fully override metrics-server.fullname template with a string                                     | `nil`  |
 | `securePort`             | Port where metrics-server will be running                                   | `8443`                                 |
-| `extraArgs`              | Extra arguments to pass to metrics-server on start up                       | []                                     |
+| `extraArgs`              | Extra arguments to pass to metrics-server on start up                       | {}                                     |
 | `service.type`           | Kubernetes Service type                                                     | `ClusterIP`                            |
 | `service.port`           | Kubernetes Service port                                                     | `443`                                  |
 | `service.annotations`    | Annotations for the Service                                                 | {}                                     |
diff --git a/bitnami/metrics-server/values.yaml b/bitnami/metrics-server/values.yaml
index 235bf3d45..d77519237 100644
--- a/bitnami/metrics-server/values.yaml
+++ b/bitnami/metrics-server/values.yaml
@@ -58,12 +58,13 @@ apiService:
 securePort: 8443
 
 ## Extra arguments to pass to the metrics-server
+## ref: https://github.com/kubernetes-incubator/metrics-server/blob/master/README.md#flags
+##
+## extraArgs:
+##   kubelet-insecure-tls: true
+##   kubelet-preferred-address-types: InternalIP
 ##
 extraArgs: {}
-  # To specify extra arguments, uncomment the following lines, adjust them as necessary,
-  # and remove the curly braces after 'extraArgs:'.
-  # kubelet-insecure-tls: true
-  # kubelet-preferred-address-types: InternalIP
 
 service:
   type: ClusterIP