Typos and clean up 💪🏻 (facebook#64)

Author: tylermcginnis

Diff for: README.md

@@ -17,7 +17,7 @@ Install it once globally:
 npm install -g create-react-app
 ```
 
-**You’ll need to have Node >= 4 on your machine**. We recommend to use Node >= 6 and npm >= 3 for faster installation speed and better disk usage. You can use [n](https://github.com/creationix/nvm#usage) to easily switch the Node versions between different projects.
+**You’ll need to have Node >= 4 on your machine**. We recommend to use Node >= 6 and npm >= 3 for faster installation speed and better disk usage. You can use [nvm](https://github.com/creationix/nvm#usage) to easily switch Node versions between different projects.
 
 **This tool doesn’t assume a Node backend**. The Node installation is only required for the build tools that rely on it locally, such as Webpack and Babel. The output folder includes an `index.html`, a minified JavaScript bundle, and bundled images and styles, so you can host them anywhere you like.
 
@@ -54,7 +54,7 @@ Once the installation is done, you can run some commands inside the project fold
 
 ### `npm start`
 
-Runs the app in the development mode.<br>
+Runs the app in development mode.<br>
 Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
 
 The page will reload if you make edits.<br>
@@ -74,7 +74,7 @@ Your app is ready to be deployed!
 
 If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
 
-Instead, it will copy all the configuration files and the transient dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+Instead, it will copy all the configuration files and the transient dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point, you’re on your own.
 
 You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.