diff --git a/CHANGES.rst b/CHANGES.rst
index 7820a4610..1d073119f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -21,6 +21,8 @@ Bug fixes:
 
 * Fix None check in backfill (PR #1043)
 * Fix membership changes to be idempotent (PR #1067)
+* Fix bug in get_pdu where it would sometimes return events with incorrect
+  signature