fix typo: missing "s"

Author: esphas

README.md

@@ -295,7 +295,7 @@
 
 - :book: [使用 promises —— MDN](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Using_promises)
 - :book: [Promise —— MDN](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Promise)
-- :book: [Promie — 廖雪峰](https://www.liaoxuefeng.com/wiki/001434446689867b27157e896e74d51a89c25cc8b43bdb3000/0014345008539155e93fc16046d4bb7854943814c4f9dc2000)
+- :book: [Promise — 廖雪峰](https://www.liaoxuefeng.com/wiki/001434446689867b27157e896e74d51a89c25cc8b43bdb3000/0014345008539155e93fc16046d4bb7854943814c4f9dc2000)
 - :book: [JavaScript Promise：去而复返 —— 司徒正美](https://www.cnblogs.com/rubylouvre/p/3495286.html)
 - :book: [(上面的原文)JavaScript Promise：简介 —— Web Fundamentals](https://developers.google.com/web/fundamentals/primers/promises#_1)
 - :book: [1 分钟读完《10 分钟学会 JavaScript 的 Async/Await》 —— justjavac](https://segmentfault.com/a/1190000011813934)