Update README.md

README.md

@@ -1,12 +1,13 @@
 [![CircleCI](https://circleci.com/gh/git-lfs/git-lfs.svg?style=shield&circle-token=856152c2b02bfd236f54d21e1f581f3e4ebf47ad)](https://circleci.com/gh/splunk/fluent-plugin-kubernetes-metrics)
 # fluent-plugin-kubernetes-metrics
 
-[Fluentd](https://fluentd.org/) input plugin to collect kubernetes cluster metrics from the Summary API, exposed by [Kubelet](https://kubernetes.io/docs/admin/kubelet/) on each node.
-This input plugin can be configured to fetch metrics either from kube api server or from the kubelet itself. 
+The[Fluentd](https://fluentd.org/) input plugin collects kubernetes cluster metrics from the Summary API, which are exposed by [Kubelet](https://kubernetes.io/docs/admin/kubelet/) on each node.
+
+The Fluentd input plugin can be configured to fetch metrics from either the Kublernetes API server or from the Kubelet itself. 
 
 ## Installation
 
-See also: [Plugin Management](https://docs.fluentd.org/v1.0/articles/plugin-management).
+See: [Plugin Management](https://docs.fluentd.org/v1.0/articles/plugin-management).
 
 ### RubyGems
 
@@ -16,13 +17,13 @@ $ gem install fluent-plugin-kubernetes-metrics
 
 ### Bundler
 
-Add following line to your Gemfile:
+Add the following line to your Gemfile:
 
 ```ruby
 gem "fluent-plugin-kubernetes-metrics"
 ```
 
-And then execute:
+Then execute:
 
 ```
 $ bundle
@@ -38,19 +39,19 @@ $ bundle
 
 ### tag (string) (optional)
 
-The tag of the event.
+The tag for the event.
 
 Default value: `kubernetes.metrics.*`.
 
 ### interval (time) (optional)
 
-How often it pulls metrcs.
+How often the plugin should pull metrcs.
 
 Default value: `15s`.
 
 ### kubeconfig (string) (optional)
 
-Path to a kubeconfig file points to a cluster the plugin should collect metrics from. Mostly useful when running fluentd outside of the cluster. When `kubeconfig` is set, `kubernetes_url`, `client_cert`, `client_key`, `ca_file`, `insecure_ssl`, `bearer_token_file`, and `secret_dir` will all be ignored.
+Path to a kubeconfig file that points to a cluster from which the plugin should collect metrics. Mostly useful when running fluentd outside of the cluster. When `kubeconfig` is set, `kubernetes_url`, `client_cert`, `client_key`, `ca_file`, `insecure_ssl`, `bearer_token_file`, and `secret_dir` are ignored.
 
 ### kubernetes_url (string) (optional)
 
@@ -70,25 +71,25 @@ Path to the CA file.
 
 ### insecure_ssl (bool) (optional)
 
-If `insecure_ssl` is set to `true`, it won't verify apiserver's certificate.
+If `insecure_ssl` is set to `true`, apiserver's certificate is not verified.
 
 ### bearer_token_file (string) (optional)
 
-Path to the file contains the API token. By default it reads from the file "token" in the `secret_dir`.
+Path to the file that contains the API token. The default value is the file "token" in `secret_dir`.
 
 ### secret_dir (string) (optional)
 
-Path of the location where pod's service account's credentials are stored.
+Path of the location where the pod's service account credentials are stored.
 
 Default value: `/var/run/secrets/kubernetes.io/serviceaccount`.
 
 ### node_name (string) (required)
 
-Used when use_rest_client config param is enabled. Name of the node that this plugin should collect metrics from. This enables the plugin to fetch metrics from kubelet api.
+The name of the node from which the plugin should collect metrics. This enables the plugin to fetch metrics from a kubelet API. Used only when the use_rest_client configuration parameter is enabled. 
 
 ### node_names Array(string) (required)
 
-Used when use_rest_client config param is not enabled. Name of the nodes that this plugin should collect metrics from. This enables the plugin to fetch metrics from kubeapiserver.
+Array of the nodes from which the this plugin should collect metrics. This enables the plugin to fetch metrics from kubeapiserver. Used only when use_rest_client configuration parameter is not enabled. 
 
 ### kubelet_port (integer) (optional)
 
@@ -98,13 +99,13 @@ Default value: `10250`.
 
 ### use_rest_client (bool) (optional)
 
-Use the rest client to get the metrics from summary api on each kubelet.
+Enable to use the rest client to get the metrics from summary api on each kubelet.
 
 Default value: `true`.
 
 ### use_rest_client_ssl (bool) (optional)
 
-Use SSL for rest client.
+Enable to use SSL for rest client.
 
 Default value: `true`.