diff --git a/README.md b/README.md
index d9192ac..8c0e84e 100644
--- a/README.md
+++ b/README.md
@@ -155,6 +155,8 @@ Unicorn supports zero-downtime reloads. These can be triggered as follows:
 sudo gitlab-ctl hup unicorn
 ```
 
+Note that you cannot use a Unicorn reload to update the Ruby runtime.
+
 ## Configuration
 
 ### Creating the gitlab.rb configuration file
@@ -540,4 +542,4 @@ This omnibus installer project is based on the awesome work done by Chef in
 [gitlab.yml.erb]: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/files/gitlab-cookbooks/gitlab/templates/default/gitlab.yml.erb
 [database.yml.postgresql]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/config/database.yml.postgresql
 [database.yml.mysql]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/config/database.yml.mysql
-[gitlab.yml.example]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/config/gitlab.yml.example
\ No newline at end of file
+[gitlab.yml.example]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/config/gitlab.yml.example
--
libgit2 0.21.2