Point download link to Gerrit 2.11

Change-Id: I37ee41d1e32877d56139aad761af0eae59e7d32b

index.md

diff --git a/index.md b/index.md
index e95a90f..09bb3a9 100644
--- a/index.md
+++ b/index.md
@@ -19,7 +19,7 @@
 
 *** promo
 ## Download
-[Gerrit 2.10][download]
+[Gerrit 2.11.1][download]
 ***
 |||---|||
 
@@ -86,7 +86,7 @@
 
 --
 
-[download]: https://gerrit-documentation.storage.googleapis.com/ReleaseNotes/ReleaseNotes-2.10.html
-[git gc]: https://gerrit-documentation.storage.googleapis.com/Documentation/2.11/config-gerrit.html#gc
-[plugins]: https://gerrit-documentation.storage.googleapis.com/Documentation/2.11/config-plugins.html
+[download]: https://gerrit-documentation.storage.googleapis.com/ReleaseNotes/ReleaseNotes-2.11.1.html
+[git gc]: https://gerrit-documentation.storage.googleapis.com/Documentation/2.11.1/config-gerrit.html#gc
+[plugins]: https://gerrit-documentation.storage.googleapis.com/Documentation/2.11.1/config-plugins.html
 [replicate]: https://gerrit.googlesource.com/plugins/replication/+doc/master/src/main/resources/Documentation/config.md