docs(README): phrasing (minor)

Author: strogonoff

README.md

@@ -5,7 +5,7 @@
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
 
 **ngx-draft-js** is an Angular library that wraps Draft.js
-and ships with a configurable rich editor component.
+and ships with a configurable WYSIWYG editor component.
 The editor is based on the official Draft.js example,
 with HTML as markup export format.