diff --git a/docs/release-notes/release-notes-0.16.0.md b/docs/release-notes/release-notes-0.16.0.md
index 977a69a26..2eef357fd 100644
--- a/docs/release-notes/release-notes-0.16.0.md
+++ b/docs/release-notes/release-notes-0.16.0.md
@@ -289,6 +289,9 @@ certain large transactions](https://github.com/lightningnetwork/lnd/pull/7100).
   using the address in question](
   https://github.com/lightningnetwork/lnd/pull/7025)
 
+* [Store AckedUpdates in a more compact
+  way](https://github.com/lightningnetwork/lnd/pull/7055)
+
 ## Pathfinding
 
 * [Pathfinding takes capacity of edges into account to improve success