docs: readme tweaks [skip ci]

README.md

@@ -1,7 +1,6 @@
 # IstanbulJS
 
 [![Greenkeeper badge](https://badges.greenkeeper.io/istanbuljs/istanbuljs.svg)](https://greenkeeper.io/)
-
 [![Build Status](https://travis-ci.org/istanbuljs/istanbuljs.svg?branch=master)](https://travis-ci.org/istanbuljs/istanbuljs)
 [![Coverage Status](https://coveralls.io/repos/istanbuljs/istanbuljs/badge.svg?branch=master)](https://coveralls.io/r/istanbuljs/istanbuljs?branch=master)
 
@@ -19,9 +18,9 @@ This [monorepo](https://github.com/babel/babel/blob/master/doc/design/monorepo.m
 
 _You're probably actually looking for one of the following repos:_
 
-* [nyc](https://github.com/istanbuljs/nyc): the IstanbulJS 2.0 command line interface, providing painless coverage support for [most popular testing Frameworks](https://istanbul.js.org/docs/tutorials/).
+* [nyc](https://github.com/istanbuljs/nyc): the IstanbulJS 2.0 command line interface, providing painless coverage support for [most popular testing frameworks](https://istanbul.js.org/docs/tutorials/).
 * [babel-plugin-istanbul](https://github.com/istanbuljs/babel-plugin-istanbul): a babel plugin
- for instrumenting your ES6 code with Istanbul compatible coverage tracking.
+ for instrumenting your ES2015+ code with Istanbul compatible coverage tracking.
 * [istanbul](https://github.com/gotwarlost/istanbul): the legacy 1.0 IstanbulJS interface (you should
   now consider instead using nyc or babel-plugin-istanbul).