Merge pull request reactjs#576 from isaacchien/patch-1

Update README for fork and clone

Author: alexkrolick

Diff for: README.md

@@ -9,8 +9,8 @@ This repo contains the source code and documentation powering [reactjs.org](http
 1. Git
 1. Node: install version 8.4 or greater
 1. Yarn: See [Yarn website for installation instructions](https://yarnpkg.com/lang/en/docs/install/)
-1. A clone of the [reactjs.org repo](https://github.com/reactjs/reactjs.org) on your local machine
 1. A fork of the repo (for any contributions)
+1. A clone of the [reactjs.org repo](https://github.com/reactjs/reactjs.org) on your local machine
 
 ### Installation