diff --git a/standards/application/relay-reliability.md b/standards/application/relay-reliability.md
index d66a665..f5aedb6 100644
--- a/standards/application/relay-reliability.md
+++ b/standards/application/relay-reliability.md
@@ -106,11 +106,10 @@ An application could use different pubsub topics and content topics, for example
 
 For incoming messages, the processing flow can be like this:
 - subscribe to the interested pubsub and content topics
-- query the store node with the interested topics and time range for message hashes periodically
+- periodically query the store node with the interested topics and time range for message hashes
 - check if each received message hash already exists in the local database. if not, add the missing message hash to a buffer.
 - batch fetch the full messages corresponding to the missing message hashes in the buffer from the store node
 - process the messages
-- update the last fetch time for the interested topic
 
 The implementation in Python may look like this: