recommend to use minor core-js versions in useBuiltIns setting

zloirock · Nov 7, 2019 · adee014 · adee014
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diff --git a/README.md b/README.md
@@ -203,7 +203,7 @@ import 'regenerator-runtime/runtime';
 
 #### `@babel/preset-env`
 
-[`@babel/preset-env`](https://github.com/babel/babel/tree/master/packages/babel-preset-env) has `useBuiltIns` option, which optimizes working with global version of `core-js`. With `useBuiltIns` option, you should also set `corejs` option to used version of `core-js`, like `corejs: 3` or `corejs: '3.4'`.
+[`@babel/preset-env`](https://github.com/babel/babel/tree/master/packages/babel-preset-env) has `useBuiltIns` option, which optimizes working with global version of `core-js`. With `useBuiltIns` option, you should also set `corejs` option to used version of `core-js`, like `corejs: '3.4'`.
 
 - `useBuiltIns: 'entry'` replaces imports of `core-js` to import only required for a target environment modules. So, for example,
 ```js