address comments

Author: chaitanyaprem

FURPS/core/mix.md

@@ -16,6 +16,8 @@
 
 ## Performance
 
+- P1. Payload (store query, light push message) are limited to 4kB
+
 ## Supportability
 
 1. `wakunode2` for intermediary and exit nodes.

draft-roadmap/introduce_mixnet_for_message_sending.md

@@ -58,8 +58,11 @@ See deliverables.
 
 **FURPS**:
 
+- F5. Browser clients can discover other nodes that support mix using available peer discovery mechanisms
+- F6. Browser clients can send light push requests over the mixnet before delivery to a service node.
+- F7. Browser clients can receive a response to a light push request over the mixnet.
 
-- P1. Payload (store query, light push query) are limited to 4kB
+- P1. Payload (store query, light push message) are limited to 4kB
 
 - S3. Browser-based apps as sender nodes; light push only.