fix: Update docs spelling and grammer.

README.md

@@ -1,11 +1,11 @@
 # Open edX Brand Package Interface
 
-**Warning** This package will no longer recieve updates and the latest version
+**Warning** This package will no longer receive updates. The latest version
 of this package can be found at
 https://www.npmjs.com/package/@openedx/brand-openedx
 
 This project contains the default branding assets and style used in Open edX
-applications. It is published on npm as `@edx/brand-openedx`.
+applications. It is published on NPM as `@edx/brand-openedx`.
 
 The file structure serves as an interface to be implemented for custom
 branding and theming of Open edX.