Improve documentation (#716) (#717)

readme.md

@@ -26,7 +26,7 @@ It uses [ESLint](https://eslint.org) underneath, so issues regarding built-in ru
 - Enforces readable code, because you read more code than you write.
 - No need to specify file paths to lint as it lints all JS/TS files except for [commonly ignored paths](#ignores).
 - [Config overrides per files/globs.](#config-overrides)
-- [TypeScript supported by default](#typescript)
+- [TypeScript supported by default.](#typescript)
 - Includes many useful ESLint plugins, like [`unicorn`](https://github.com/sindresorhus/eslint-plugin-unicorn), [`import`](https://github.com/benmosher/eslint-plugin-import), [`ava`](https://github.com/avajs/eslint-plugin-ava), [`n`](https://github.com/eslint-community/eslint-plugin-n) and more.
 - Automatically enables rules based on the [`engines`](https://docs.npmjs.com/files/package.json#engines) field in your `package.json`.
 - Caches results between runs for much better performance.
@@ -255,7 +255,7 @@ module.exports = {
 };
 ```
 
-If contradicting options are set for both Prettier and XO an error will be thrown.
+If contradicting options are set for both Prettier and XO, an error will be thrown.
 
 ### nodeVersion