diff --git a/_examples/basic/6-cqrs-ordered-events/README.md b/_examples/basic/6-cqrs-ordered-events/README.md
index 4474d235..e90f6fdd 100644
--- a/_examples/basic/6-cqrs-ordered-events/README.md
+++ b/_examples/basic/6-cqrs-ordered-events/README.md
@@ -23,6 +23,10 @@ The system maintains:
 If events won't be ordered, and `SubscriberSubscribed` would arrive after `SubscriberUnsubscribed` event,
 the subscriber will be still subscribed.
 
+## Possible improvements
+
+You may consider creating sub-topics xxxx
+
 ## Running
 
 ```bash