Merge pull request #260 from arschles/readme-intro

doc(README.md): modify the introductory text

Author: arschles

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/deis/builder.svg?branch=master)](https://travis-ci.org/deis/builder) [![Go Report Card](http://goreportcard.com/badge/deis/builder)](http://goreportcard.com/report/deis/builder) [![Docker Repository on Quay](https://quay.io/repository/deisci/builder/status "Docker Repository on Quay")](https://quay.io/repository/deisci/builder)
 
-Deis (pronounced DAY-iss) is an open source PaaS that makes it easy to deploy and manage applications on your own servers. Deis builds on [Kubernetes][k8s-home] to provide a lightweight, easy and secure way to deploy your code to production.
+Deis (pronounced DAY-iss) Workflow is an open source Platform as a Service (PaaS) that adds a developer-friendly layer to any [Kubernetes][k8s-home] cluster, making it easy to deploy and manage applications on your own servers.
 
 For more information about Deis Workflow, please visit the main project page at https://github.com/deis/workflow.