Add noderesponse-type comments

Author: bouwew

plugwise_usb/messages/responses.py

@@ -56,9 +56,9 @@ class StickResponseType(bytes, Enum):
 class NodeResponseType(bytes, Enum):
     """Response types of a 'NodeResponse' reply message."""
 
-    CIRCLE_PLUS = b"00DD"
+    CIRCLE_PLUS = b"00DD"  # type for CirclePlusAllowJoiningRequest with state false
     CLOCK_ACCEPTED = b"00D7"
-    JOIN_ACCEPTED = b"00D9"
+    JOIN_ACCEPTED = b"00D9"  # type for CirclePlusAllowJoiningRequest with state true
     RELAY_SWITCHED_OFF = b"00DE"
     RELAY_SWITCHED_ON = b"00D8"
     RELAY_SWITCH_FAILED = b"00E2"