Update readme

README.md

@@ -12,20 +12,21 @@ in-world API endpoints.
 7. Type `help` for a list of available commands
 
 ## Use cases
-### Interacting with other scripts
-You can directly interact with other scripts inside the endpoint object
-via link messages and receive their output.
+#### Interacting with other scripts
+You can directly interact with other scripts inside the endpoint object.
+This primarily happens via link messages. Responses from the scripts
+are returned to the shell.
 
-### Rapid script development
+#### Rapid script development
 You can save a script and directly communicate with it through the endpoint.
 For example, you can work on a mathematical function and receive its output
 straight in your terminal.
 
-### Administration tasks
+#### Administration tasks
 For example:
 - Kicking and banning avatars
 - Retrieving sim usage statistics (which you can then easily process locally)
 
-### HTTP proxy
+#### HTTP proxy
 It's possible to use the endpoint as a HTTP proxy to visit websites or to
 make HTTP calls to other in-world objects.