diff --git a/ChangeLog.txt b/ChangeLog.txt
index 0dfdb6ab..dd81c535 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -5,6 +5,8 @@ Broker:
 - Fix memory leak when a plugin modifies the topic of a message in
   MOSQ_EVT_MESSAGE.
 - Fix bridge `restart_timeout` not being honoured.
+- Fix potential memory leaks if a plugin modifies the message in the
+  MOSQ_EVT_MESSAGE event.
 
 Client library:
 - Fix threads library detection on Windows under cmake. Bumps the minimum