Match aliases as groups

docs/ghostream.example.yml

@@ -36,8 +36,10 @@ auth:
   #  userdn: cn=users,dc=example,dc=com
   #
   #  # You can define aliases, to stream on stream.example.com/example with the credentials of the demo account.
+  #  # You will have to use the streamid example__demo:password
   #  aliases:
-  #    example: demo
+  #    example:
+  #      demo: ignored
   #
 
 ## Stream forwarding ##