Update 2.15.11 release notes

Change-Id: Iaaaf956421c892251957b5088d8dcfa64fce6a95
diff --git a/pages/site/releases/2.15.md b/pages/site/releases/2.15.md
index ce1821b..ba76e16 100644
--- a/pages/site/releases/2.15.md
+++ b/pages/site/releases/2.15.md
@@ -6,7 +6,8 @@
 toc: true
 ---
 
-Download: **[2.15.10](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.10.war)**
+Download: **[2.15.11](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.11.war)**
+| [2.15.10](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.10.war)
 | [2.15.9](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.9.war)
 | [2.15.8](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.8.war)
 | [2.15.7](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.7.war)
@@ -18,7 +19,8 @@
 | [2.15.1](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.1.war)
 | [2.15](https://gerrit-releases.storage.googleapis.com/gerrit-2.15.war)
 
-Documentation: **[2.15.10](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.10/index.html)**
+Documentation: **[2.15.11](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.11/index.html)**
+| [2.15.10](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.10/index.html)
 | [2.15.9](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.9/index.html)
 | [2.15.8](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.8/index.html)
 | [2.15.7](https://gerrit-documentation.storage.googleapis.com/Documentation/2.15.7/index.html)
@@ -416,7 +418,9 @@
   endpoints.
 
 * [Issue 10415](https://bugs.chromium.org/p/gerrit/issues/detail?id=10415):
-PolyGerritUI: Fix replacement of project name placeholder in download command.
+PolyGerrit UI: Fix replacement of project name placeholder in download command.
+
+* Fix authentication for LFS over SSH.
 
 * Add logging of prolog rule reduction limits.