"ecmascript" => "ECMAScript" (facebookarchive#2327)

Summary: Pull Request resolved: facebookarchive#2327

Differential Revision: D19868957

Pulled By: mrkev

fbshipit-source-id: 769f8beaa65a638d6694de93bcabbd017a9dd01c

docs/Overview.md

@@ -22,7 +22,7 @@ npm install draft-js react react-dom
 yarn add draft-js react react-dom
 ```
 
-Draft.js uses some modern ecmascript features which are not available to IE11 and not part of create-react-app's default babel config. If you're running into problems out-of-the-box try installing a shim or polyfill alongside Draft.
+Draft.js uses some modern ECMAScript features which are not available to IE11 and not part of create-react-app's default babel config. If you're running into problems out-of-the-box try installing a shim or polyfill alongside Draft.
 
 ```sh
 npm install draft-js react react-dom babel-polyfill