Start release notes for 2.16.1

Change-Id: I5b8782a06d09435e9409efd518b1c202c913ed6d
diff --git a/pages/site/releases/2.16.md b/pages/site/releases/2.16.md
index f4bfbf8..ceabfc5 100644
--- a/pages/site/releases/2.16.md
+++ b/pages/site/releases/2.16.md
@@ -352,7 +352,7 @@
 
 * Update Dropwizard metrics-core to 3.2.5
 
-* Update Elasticsearch to 6.4.3
+* Update Elasticsearch to 6.4.3 (Updated to 6.5.0 in 2.16.1)
 
 * Add dependency to flexmark-java 0.34.18
 
@@ -445,3 +445,13 @@
 * Add API and REST endpoints to get/set default edit preferences in [`Server`](https://gerrit.googlesource.com/gerrit/+/stable-2.16/java/com/google/gerrit/extensions/api/config/Server.java).
 
 * Allow to filter list by project state in [`Projects`](https://gerrit.googlesource.com/gerrit/+/stable-2.16/java/com/google/gerrit/extensions/api/projects/Projects.java).
+
+## Bugfix Releases
+
+### 2.16.1
+
+* [Issue 10018](https://bugs.chromium.org/p/gerrit/issues/detail?id=10018):
+Fix failure to upgrade schema when migrating from 2.13.
+
+* [Issue 10038](https://bugs.chromium.org/p/gerrit/issues/detail?id=10038):
+Add support for Elasticsearch 6.5.0.