diff --git a/doc/upgrading.textile b/doc/upgrading.textile
index 4e1f130f..6b61b1ed 100644
--- a/doc/upgrading.textile
+++ b/doc/upgrading.textile
@@ -18,6 +18,8 @@ To upgrade:
 # Run @bundle exec rails server -e production@ inside your Tracks 2.2 directory to start up Tracks 2.2.
 # Once you are happy that everything is working well, delete your old Tracks directory.
 
+Please note that if you intend to deploy Tracks with the built in webserver called WEBrick, you'll need to change @config.serve_static_assets@ to @true@ in @config/environments/production.rb@ in order for the images, stylesheets, and javascript files to be served correctly.
+
 h3. Upgrading from Tracks 2.1, 2.1.1, 2.1.2, 2.1.3 to 2.1.4
 
 The purpose of this release is to address several security vulnerabilities that were recently discovered in Rails. For details about the contents of the release, please see the "difference view":https://github.com/TracksApp/tracks/compare/v2.1.1...v2.1.4 on GitHub.