edit installing replicated cli to clarify install env options

Author: paigecalvert

docs/reference/replicated-cli-installing.mdx

@@ -24,6 +24,13 @@ Complete the following prerequisites before installing the Replicated CLI:
 
 ## Install
 
+You can install and run the Replicated CLI in the following environments: 
+
+* Directly on MacOS
+* Directly on Linux
+* On Windows Subsystem for Linux (WSL)
+* Through Docker (Useful for GitHub Actions or computers without sufficient access)
+
 ### MacOS
 
 To install and run the latest Replicated CLI on MacOS:
@@ -50,7 +57,7 @@ To install and run the latest Replicated CLI on Linux or Windows Subsystem for L
 
 1. To begin using the Replicated CLI to manage your applications, authenticate with your Replicated credentials. See [Authenticate](#auth).
 
-### Docker / Windows
+### Docker
 
 <InstallDocker/>