Add release notes entry for #6457

docs/release-notes/release-notes-0.16.0.md

@@ -6,6 +6,11 @@ The `RegisterConfirmationsNtfn` call of the `chainnotifier` RPC sub-server [now
 optionally supports returning the entire block that confirmed the
 transaction](https://github.com/lightningnetwork/lnd/pull/6730).
 
+* [Add `macaroon_root_key` field to
+  `InitWalletRequest`](https://github.com/lightningnetwork/lnd/pull/6457) to
+  allow specifying a root key for macaroons during wallet init rather than
+  having lnd randomly generate one for you.
+
 ## Misc
 * Warning messages from peers are now recognized and
   [logged](https://github.com/lightningnetwork/lnd/pull/6546) by lnd.
@@ -25,6 +30,7 @@ transaction](https://github.com/lightningnetwork/lnd/pull/6730).
 # Contributors (Alphabetical Order)
 
 * Carla Kirk-Cohen
+* Daniel McNally
 * ErikEk
 * Olaoluwa Osuntokun
 * Oliver Gugger