diff --git a/guides/source/upgrading_ruby_on_rails.textile b/guides/source/upgrading_ruby_on_rails.textile
index e63548abc9..3ac1c31d72 100644
--- a/guides/source/upgrading_ruby_on_rails.textile
+++ b/guides/source/upgrading_ruby_on_rails.textile
@@ -18,7 +18,7 @@ Rails generally stays close to the latest released Ruby version when it's releas
 
 * Rails 3 and above requires Ruby 1.8.7 or higher. Support for all of the previous Ruby versions has been dropped officially and you should upgrade as early as possible.
 * Rails 3.2.x will be the last branch to support Ruby 1.8.7.
-* Rails 4 will support only Ruby 1.9.3.
+* Rails 4 will support only Ruby 1.9.3 or higher.
 
 TIP: Ruby 1.8.7 p248 and p249 have marshaling bugs that crash Rails. Ruby Enterprise Edition has these fixed since the release of 1.8.7-2010.02. On the 1.9 front, Ruby 1.9.1 is not usable because it outright segfaults, so if you want to use 1.9.x, jump on to 1.9.2 or 1.9.3 for smooth sailing.