Apply suggestions from code review

Co-Authored-By: Maria Bermudez <bermudezmt@users.noreply.github.com>

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 ## Building Source
 
-### Pre-Requisites
+### Prerequisites
 
 1. Python: `python-setuptools`, `pip`, `pandoc`
 1. Go: [golangci-lint](https://github.com/golangci/golangci-lint)

README.md

@@ -49,7 +49,7 @@ library functionality around the Kubernetes resource [OpenAPI
 spec](https://github.com/kubernetes/kubernetes/tree/master/api/openapi-spec) as soon as a
 new version is released! Ultimately, this means that Pulumi users do not have
 to learn a new Kubernetes API model, nor wait long to work with the latest
-versions available. 
+available versions.
 
 > Note: Pulumi also supports alpha and beta APIs.
 
@@ -110,7 +110,7 @@ pip install pulumi-kubernetes
 The following examples demonstrate how to work with `pulumi-kubernetes` in
 a couple of ways.
 
-Examples may include the creation of an AWS EKS cluster. An EKS cluster
+Examples may include the creation of an AWS EKS cluster, although an EKS cluster
 is **not** required to use `pulumi/kubernetes`. It is simply used to ensure
 we have access to a running Kubernetes cluster to deploy resources and workloads into.
 
@@ -134,7 +134,7 @@ const myApp = new k8s.yaml.ConfigFile("app", {
 
 ### Deploying a Helm Chart
 
-This example creates a EKS cluster with [`pulumi/eks`](https://github.com/pulumi/pulumi-eks),
+This example creates an EKS cluster with [`pulumi/eks`](https://github.com/pulumi/pulumi-eks),
 and then deploys a Helm chart from the stable repo using the 
 `kubeconfig` credentials from the cluster's [Pulumi provider](https://www.pulumi.com/docs/reference/programming-model/#providers).