Update 2.16.3 release notes

Change-Id: Ib8be78c32aa568d84ab9d4e7c376df42273d900b
diff --git a/pages/site/releases/2.16.md b/pages/site/releases/2.16.md
index 5eb4e9d..2407e49 100644
--- a/pages/site/releases/2.16.md
+++ b/pages/site/releases/2.16.md
@@ -551,6 +551,9 @@
 
 * Export the project indexer in the plugin API.
 
+* [Issue 10260](https://bugs.chromium.org/p/gerrit/issues/detail?id=10260):
+Replication plugin: Fix auto-replay of stored events during config reload.
+
 * Add a new method on the account API to set the account name.
 
 * Add new methods on the project API to get/set the project's `HEAD`.
@@ -576,6 +579,9 @@
   latex, less, mathematica, nginx, nsis, postgresql, q, scss, scheme, excel, tcl,
   twig, vb, vbscript.
 
+* [Issue 10137](https://bugs.chromium.org/p/gerrit/issues/detail?id=10137):
+Fix alignment of the "By User" column on the group audit screen.
+
 ### 2.16.2
 
 * __SECURITY__ [Issue 10201](https://bugs.chromium.org/p/gerrit/issues/detail?id=10201):