Update readme

Author: iansinnott

readme.md

@@ -3,14 +3,14 @@
 [![Build Status](https://img.shields.io/circleci/project/iansinnott/react-string-replace.svg)](https://circleci.com/gh/iansinnott/react-string-replace)
 [![react-string-replace.js on NPM](https://img.shields.io/npm/v/react-string-replace.svg)](https://www.npmjs.com/package/react-string-replace)
 
-A simple way to safely do string replacement with React components
+A simple way to safely do string replacement with React components. Zero dependencies.
 
 > Aka turn a string into an array of React components
 
 ## Install
 
-```
-$ npm install --save react-string-replace
+```sh
+yarn add react-string-replace
 ```