Docs: Tweak description in readme

Readme.md

@@ -2,7 +2,7 @@
 
 <img src="https://d3vv6lp55qjaqc.cloudfront.net/items/061f0A2n1B0H3p0T1p1f/react-styleguidist-logo.png" alt="React Styleguidist" width="400">
 
-**Style guide — documentation — component workbench**
+**Isolated React component development environment with a living style guide**
 
 [![Build Status](https://travis-ci.org/styleguidist/react-styleguidist.svg)](https://travis-ci.org/styleguidist/react-styleguidist)
 [![npm](https://img.shields.io/npm/v/react-styleguidist.svg)](https://www.npmjs.com/package/react-styleguidist)
@@ -11,7 +11,7 @@
 
 </div>
 
-React Styleguidist is a style guide generator for React components. It lists component `propTypes` and shows live, editable usage examples based on Markdown files. You can use it to generate a static HTML page to share and publish or as a workbench for developing new components using hot reloaded dev server. Check out [**the demo style guide**](https://react-styleguidist.js.org/examples/basic/).
+React Styleguidist is a component development environment with hot reloaded dev server and a living style guide that you can share with your team. It lists component `propTypes` and shows live, editable usage examples based on Markdown files. Check out [**the demo style guide**](https://react-styleguidist.js.org/examples/basic/).
 
 ![](https://d3vv6lp55qjaqc.cloudfront.net/items/271B372x102S0c052i3F/react-styleguidist7.gif)