Update readme

README.md

@@ -1,31 +1,26 @@
-
 # cmdstats
 
-[![NPM version](https://img.shields.io/npm/v/cmdstats.svg?style=flat)](https://npmjs.com/package/cmdstats) [![NPM downloads](https://img.shields.io/npm/dm/cmdstats.svg?style=flat)](https://npmjs.com/package/cmdstats) [![CircleCI](https://circleci.com/gh/sinchang/cmdstats/tree/master.svg?style=shield)](https://circleci.com/gh/sinchang/cmdstats/tree/master)  [![donate](https://img.shields.io/badge/$-donate-ff69b4.svg?maxAge=2592000&style=flat)](https://github.com/sinchang/donate)
+[![NPM version](https://img.shields.io/npm/v/cmdstats.svg?style=flat)](https://npmjs.com/package/cmdstats) [![NPM downloads](https://img.shields.io/npm/dm/cmdstats.svg?style=flat)](https://npmjs.com/package/cmdstats) [![CircleCI](https://circleci.com/gh/sinchang/cmdstats/tree/master.svg?style=shield)](https://circleci.com/gh/sinchang/cmdstats/tree/master)
 
 ## Install
 
 ```bash
-yarn add cmdstats
+yarn global add cmdstats
 ```
 
 ## Usage
 
 ```js
-const cmdstats = require('cmdstats')
-
-cmdstats()
-//=> foo
+cmdstats --limit 10
 ```
 
 ## Contributing
 
-1. Fork it!
-2. Create your feature branch: `git checkout -b my-new-feature`
-3. Commit your changes: `git commit -am 'Add some feature'`
-4. Push to the branch: `git push origin my-new-feature`
-5. Submit a pull request :D
-
+1.  Fork it!
+2.  Create your feature branch: `git checkout -b my-new-feature`
+3.  Commit your changes: `git commit -am 'Add some feature'`
+4.  Push to the branch: `git push origin my-new-feature`
+5.  Submit a pull request :D
 
 ## Author