SOL002_153 POST Method (on Notification Enpoint) description and response updated

src/SOL002/VNFIndicatorNotification/VNFIndicatorNotification.yaml

@@ -55,7 +55,9 @@ paths:
         The API producer can use this resource to send notifications related to VNF indicator
         value changes to a subscribed API consumer, which has provided the URI of this resource
         during the subscription process.
-        The POST method delivers a notification from the server to the client.
+        The POST method delivers a notification from API producer to an API consumer. The API 
+        consumer shall have previously created an "Individual subscription" resource with a 
+        matching filter.
       parameters:
         - name: vnfIndicatorValueChangeNotification
           in: body
@@ -69,7 +71,8 @@ paths:
           description: >
             204 NO CONTENT
 
-            The notification was delivered successfully. The response body shall be empty.
+            Shall be returned when the notification has been delivered successfully. 
+            The response body shall be empty.
           headers:
             Version:
               description: The used API version.