diff --git a/CHANGES.txt b/CHANGES.txt
index 90cbf6d684..02a9f8728b 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 5.1
+ * Enhance nodetool compactionhistory to report more compaction properities (CASSANDRA-20081)
  * Fix initial auto-repairs skipped by too soon check (CASSANDRA-21115)
  * Add configuration to disk usage guardrails to stop writes across all replicas of a keyspace when any node replicating that keyspace exceeds the disk usage failure threshold. (CASSANDRA-21024)
  * BETWEEN where token(Y) > token(Z) returns wrong answer (CASSANDRA-20154)