Update index.adoc

docs/modules/ROOT/pages/index.adoc

@@ -167,7 +167,7 @@ only the policies and rules applicable to a given request. They can then be used
 Requests are performed providing `io.restorecommerce.access_control.Request` protobuf message as input and responses are
 a `io.restorecommerce.access_control.ReverseQuery` message.
 
-NOTE : For `IsAllowed` and `WhatIsAllowed` operations if `context` contains only the subject identifier, then the service will emit a message
+NOTE : For `IsAllowed` and `WhatIsAllowed` operations if `context` contains the subject token and identifier, then the service will emit a message
 to link:https://github.com/restorecommerce/access-control-srv/blob/master/cfg/config.json#L326[Kafka-topic] with event name `hierarchicalScopesRequest`
 and service resonsible for creating the hierarchical scopes will consume this message and send back `hierarchicalScopesResponse` which is then saved
 to redis link:https://github.com/restorecommerce/access-control-srv/blob/master/cfg/config.json#L11[subject] cache by this service.