diff --git a/actionpack/lib/action_controller/api.rb b/actionpack/lib/action_controller/api.rb
index 93ffff1bd69b3e2fde50d13f90552f262419a00f..c276ee57c0d55268834b0729d054dff1f8a261b3 100644
--- a/actionpack/lib/action_controller/api.rb
+++ b/actionpack/lib/action_controller/api.rb
@@ -12,7 +12,7 @@ module ActionController
   #
   # An API Controller is different from a normal controller in the sense that
   # by default it doesn't include a number of features that are usually required
-  # by browser access only: layouts and templates rendering, cookies, sessions,
+  # by browser access only: layouts and templates rendering,
   # flash, assets, and so on. This makes the entire controller stack thinner,
   # suitable for API applications. It doesn't mean you won't have such
   # features if you need them: they're all available for you to include in