diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 669fbb47b..1d37ac8ba 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -1,5 +1,9 @@
-# Release 4.4.6 (August 18, 2023)
+# Release 4.4.6 (August 18, 2023) (security update)
  * Lightning:
+   - security fix: multiple lightning-related security issues have
+     been fixed. We will disclose these in detail on 2023-09-11.
+     These release notes will also be updated at that time.
+     In the meantime, please update.
    - fix: cannot sweep from channel after local-force-close, if using
      imported channel backup (#8536). Fixing this required adding a
      new field (local_payment_pubkey) to the channel backup