Minor README typo fix (#80)

Author: willstott101

README.md

@@ -2,7 +2,7 @@
 
 > 🎡 A configurable git server written in Node.js
 
->> there be 🐲 here! The API's and functionality are still be cemented, anything before a 1.0.0 release will be subject to change.
+>> there be 🐲 here! The APIs and functionality are still be cemented, anything before a 1.0.0 release will be subject to change.
 
 [![Npm Version](https://img.shields.io/npm/v/node-git-server.svg)](https://www.npmjs.com/package/node-git-server)
 [![Build Status](https://travis-ci.org/gabrielcsapo/node-git-server.svg?branch=master)](https://travis-ci.org/gabrielcsapo/node-git-server)