Update docs/guide.md

Co-authored-by: Jonathan Yu <jonathan@coder.com>

Author: jsjoeio

docs/guide.md

@@ -47,7 +47,7 @@ You can use whatever linux distribution floats your boat but in this guide we as
 
 In order to work properly, your environment should have the following enabled:
 
-- WebSockets (used to communicate between code-server client and server)
+* WebSockets, which code-server uses to communicate between the browser and server
 
 ### Google Cloud