Clarify note on deprecated peerDependencies

Author: jhnns

README.md

@@ -11,7 +11,7 @@
 npm install babel-loader --save-dev
 ```
 
-__Note:__ [npm](https://npmjs.com) will deprecate [peerDependencies](https://github.com/npm/npm/issues/6565) on the next major release, so required dependencies like babel-core and webpack will have to be installed manually.
+__Note:__ [npm](https://npmjs.com) will deprecate [auto-installing of peerDependencies](https://github.com/npm/npm/issues/6565) on the next major release, so required peer dependencies like babel-core and webpack will have to be listed explicitly in your `package.json`.
 
 ## Usage