Update more scope package refs in preset-env docs [skip ci]

experimental/babel-preset-env/README.md

@@ -3,10 +3,10 @@
 > A Babel preset that compiles [ES2015+](https://github.com/tc39/proposals/blob/master/finished-proposals.md) down to ES5 by automatically determining the Babel plugins and polyfills you need based on your targeted browser or runtime environments.
 
 ```sh
-npm install babel-preset-env --save-dev
+npm install @babel/preset-env --save-dev
 ```
 
-Without any configuration options, babel-preset-env behaves exactly the same as babel-preset-latest (or babel-preset-es2015, babel-preset-es2016, and babel-preset-es2017 together).
+Without any configuration options, @babel/preset-env behaves exactly the same as @babel/preset-latest (or @babel/preset-es2015, @babel/preset-es2016, and @babel/preset-es2017 together).
 
 ```json
 {
@@ -85,9 +85,9 @@ This should be straightforward to do in most cases. There might be cases where p
 
 ### Support all plugins in Babel that are considered `latest`
 
-> Default behavior without options is the same as `babel-preset-latest`.
+> Default behavior without options is the same as `@babel/preset-latest`.
 
-It won't include `stage-x` plugins. env will support all plugins in what we consider the latest version of JavaScript (by matching what we do in [`babel-preset-latest`](http://babeljs.io/docs/plugins/preset-latest/)).
+It won't include `stage-x` plugins. env will support all plugins in what we consider the latest version of JavaScript (by matching what we do in [`@babel/preset-latest`](http://babeljs.io/docs/plugins/preset-latest/)).
 
 Ref: [#14](https://github.com/babel/babel-preset-env/issues/14)
 
@@ -109,7 +109,7 @@ Ref: [#19](https://github.com/babel/babel-preset-env/pull/19)
 
 [Browserslist](https://github.com/ai/browserslist) is a library used to share a supported list of browsers between different front-end tools like [autoprefixer](https://github.com/postcss/autoprefixer), [stylelint](https://stylelint.io/), [eslint-plugin-compat](https://github.com/amilajack/eslint-plugin-compat) and many others.
 
-By default, babel-preset-env will use [browserslist config sources](https://github.com/ai/browserslist#queries).
+By default, @babel/preset-env will use [browserslist config sources](https://github.com/ai/browserslist#queries).
 
 For example, to enable only the polyfills and plugins needed for a project targeting *last 2 versions* and *IE10*:
 
@@ -152,18 +152,18 @@ Browserslist config will be ignored if: 1) `targets.browsers` was specified 2) o
 With [npm](https://www.npmjs.com):
 
 ```sh
-npm install --save-dev babel-preset-env
+npm install --save-dev @babel/preset-env
 ```
 
 Or [yarn](https://yarnpkg.com):
 
 ```sh
-yarn add babel-preset-env --dev
+yarn add @babel/preset-env --dev
 ```
 
 ## Usage
 
-The default behavior without options runs all transforms (behaves the same as [babel-preset-latest](https://babeljs.io/docs/plugins/preset-latest/)).
+The default behavior without options runs all transforms (behaves the same as [@babel/preset-latest](https://babeljs.io/docs/plugins/preset-latest/)).
 
 ```json
 {
@@ -235,7 +235,7 @@ An array of plugins to always include.
 
 Valid options include any:
 
-- [Babel plugins](https://github.com/babel/babel-preset-env/blob/master/data/plugin-features.js) - both with (`babel-plugin-transform-es2015-spread`) and without prefix (`transform-es2015-spread`) are supported.
+- [Babel plugins](https://github.com/babel/babel-preset-env/blob/master/data/plugin-features.js) - both with (`@babel/plugin-transform-es2015-spread`) and without prefix (`transform-es2015-spread`) are supported.
 
 - [Built-ins](https://github.com/babel/babel-preset-env/blob/master/data/built-in-features.js), such as `map`, `set`, or `object.assign`.
 
@@ -259,7 +259,7 @@ This option is useful for "blacklisting" a transform like `transform-regenerator
 
 `"usage"` | `"entry"` | `false`, defaults to `false`.
 
-A way to apply `babel-preset-env` for polyfills (via `babel-polyfill`).
+A way to apply `@babel/preset-env` for polyfills (via `babel-polyfill`).
 
 ```sh
 npm install babel-polyfill --save
@@ -308,10 +308,10 @@ var b = new Map();
 #### `useBuiltIns: 'entry'`
 
 > NOTE: Only use `require("@babel/polyfill");` once in your whole app.
-> Multiple imports or requires of `babel-polyfill` will throw an error since it can cause global collisions and other issues that are hard to trace.
+> Multiple imports or requires of `@babel/polyfill` will throw an error since it can cause global collisions and other issues that are hard to trace.
 > We recommend creating a single entry file that only contains the `require` statement.
 
-This option enables a new plugin that replaces the statement `import "@babel/polyfill"` or `require("@babel/polyfill")` with individual requires for `babel-polyfill` based on environment.
+This option enables a new plugin that replaces the statement `import "@babel/polyfill"` or `require("@babel/polyfill")` with individual requires for `@babel/polyfill` based on environment.
 
 **In**
 
@@ -387,7 +387,7 @@ Toggles whether or not [browserslist config sources](https://github.com/ai/brows
 
 `boolean`, defaults to `false`
 
-Toggles enabling support for builtin/feature proposals that have shipped in browsers. If your target environments have native support for a feature proposal, its matching parser syntax plugin is enabled instead of performing any transform. Note that this _does not_ enable the same transformations as [`babel-preset-stage3`](https://babeljs.io/docs/plugins/preset-stage-3/), since proposals can continue to change before landing in browsers.
+Toggles enabling support for builtin/feature proposals that have shipped in browsers. If your target environments have native support for a feature proposal, its matching parser syntax plugin is enabled instead of performing any transform. Note that this _does not_ enable the same transformations as [`@babel/preset-stage3`](https://babeljs.io/docs/plugins/preset-stage-3/), since proposals can continue to change before landing in browsers.
 
 The following are currently supported: