cli macOS instead of osx

Author: bruno-garcia

docs/cli/installation.mdx

@@ -12,7 +12,7 @@ You can find the list of releases on [the GitHub release page](https://github.co
 
 ## Automatic Installation
 
-If you are on OS X or Linux, you can use the automated downloader which will fetch the latest release version for you and install it:
+If you are on macOS or Linux, you can use the automated downloader which will fetch the latest release version for you and install it:
 
 ```bash
 curl -sL https://sentry.io/get-cli/ | sh