change --global to --location=global

lang/en/docs/_installations/npm.md

@@ -5,5 +5,5 @@ It is recommended to install Yarn through the [npm package manager](http://npmjs
 Once you have npm installed you can run the following both to **install** and **upgrade** Yarn:
 
 ```sh
-npm install --global yarn
+npm install --location=global yarn
 ```

lang/en/docs/cli/global.md

@@ -12,7 +12,7 @@ layout: guide
 
 `yarn global` is a prefix used for a number of commands like `add`, `bin`, `list` and `remove`. They behave identically to their normal versions except that they use a global directory to store packages. The `global` command makes executables available to use on your operating system.
 
-_Note: Unlike the `--global` flag in npm, `global` is a command which must immediately follow `yarn`. Entering `yarn add global package-name` will add the packages named `global` and `package-name` locally instead of adding `package-name` globally._
+_Note: Unlike the `--location=global` flag in npm, `global` is a command which must immediately follow `yarn`. Entering `yarn add global package-name` will add the packages named `global` and `package-name` locally instead of adding `package-name` globally._
 
 This is useful for developer tooling that is not part of any individual project but instead is used for local commands. One such example is [nodemon](https://nodemon.io/) which can be installed globally like this:
 

lang/en/docs/cli/self-update.md

@@ -12,6 +12,6 @@ _**Important**: `self-update` is not available. See [policies](https://yarnpkg.c
 
 In order to update your version of Yarn, you can run one of the following commands:
 
-- `npm install --global yarn` - if you've installed Yarn via npm (recommended)
+- `npm install --location=global yarn` - if you've installed Yarn via npm (recommended)
 - `curl --compressed -o- -L https://yarnpkg.com/install.sh | bash` if you're on Unix
 - otherwise, check the docs of the installer you've used to install Yarn

lang/en/docs/migrating-from-npm.md

@@ -53,8 +53,8 @@ your existing `npm-shrinkwrap.json` file and check in the newly created `yarn.lo
 | `npm install [package] --save-optional` | `yarn add [package] --optional`           |
 | `npm install [package] --save-exact`    | `yarn add [package] --exact`              |
 | **_(N/A)_**                             | `yarn add [package] --tilde`              |
-| `npm install [package] --global`        | `yarn global add [package]`               |
-| `npm update --global`                   | `yarn global upgrade`                     |
+| `npm install [package] --location=global`| `yarn global add [package]`               |
+| `npm update --location=global`          | `yarn global upgrade`                     |
 | `npm rebuild`                           | `yarn add --force`                        |
 | `npm uninstall [package]`               | `yarn remove [package]`                   |
 | `npm cache clean`                       | `yarn cache clean [package]`              |