Update README.md

README.md

@@ -153,7 +153,7 @@ Your environment will have everything you need to build a modern single-page Rea
 - Autoprefixed CSS, so you don’t need `-webkit-` or other prefixes.
 - A fast interactive unit test runner with built-in support for coverage reporting.
 - A live development server that warns about common mistakes.
-- A build script to bundle JS, CSS, and images for production, with hashes and sourcemaps.
+- A build script to bundle JS, CSS, and images for production, with hashes and source maps.
 - An offline-first [service worker](https://developers.google.com/web/fundamentals/getting-started/primers/service-workers) and a [web app manifest](https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/), meeting all the [Progressive Web App](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app) criteria. (_Note: Using the service worker is opt-in as of `react-scripts@2.0.0` and higher_)
 - Hassle-free updates for the above tools with a single dependency.
 
@@ -173,7 +173,7 @@ Here are a few common cases where you might want to try something else:
 
 - If you want to **try React** without hundreds of transitive build tool dependencies, consider [using a single HTML file or an online sandbox instead](https://reactjs.org/docs/try-react.html).
 
-- If you need to **integrate React code with a server-side template framework** like Rails, Django or Symfony, or if you’re **not building a single-page app**, consider using [nwb](https://github.com/insin/nwb), or [Neutrino](https://neutrino.js.org/) which are more flexible. For Rails specifically, you can use [Rails Webpacker](https://github.com/rails/webpacker). For Symfony, try [Symfony's webpack Encore](https://symfony.com/doc/current/frontend/encore/reactjs.html).
+- If you need to **integrate React code with a server-side template framework** like Rails, Django or Symfony, or if you’re **not building a single-page app**, consider using [nwb](https://github.com/insin/nwb), or [Neutrino](https://neutrino.js.org/) which is more flexible. For Rails specifically, you can use [Rails Webpacker](https://github.com/rails/webpacker). For Symfony, try [Symfony's webpack Encore](https://symfony.com/doc/current/frontend/encore/reactjs.html).
 
 - If you need to **publish a React component**, [nwb](https://github.com/insin/nwb) can [also do this](https://github.com/insin/nwb#react-components-and-libraries), as well as [Neutrino's react-components preset](https://neutrino.js.org/packages/react-components/).
 
@@ -198,7 +198,7 @@ We'd love to have your helping hand on `create-react-app`! See [CONTRIBUTING.md]
 
 ## Supporting Create React App
 
-Create React App is a community maintained project and all contributors are volunteers. If you'd like to support the future development of Create React App then please consider donating to our [Open Collective](https://opencollective.com/create-react-app).
+Create React App is a community-maintained project and all contributors are volunteers. If you'd like to support the future development of Create React App then please consider donating to our [Open Collective](https://opencollective.com/create-react-app).
 
 ## Credits