diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb
index 76e86f8e245f3762301c9640af7f06a7f08658c7..85270d84d8a3f18f04d488cccae9195b90297eae 100644
--- a/actionpack/lib/abstract_controller/base.rb
+++ b/actionpack/lib/abstract_controller/base.rb
@@ -6,8 +6,8 @@ module AbstractController
   class Error < StandardError; end
   class ActionNotFound < StandardError; end
 
-  # AbstractController is a low-level API. Nobody should be using it directly,
-  # and subclasses of AbstractController (like ActionController::Base) are
+  # <tt>AbstractController::Base</tt> is a low-level API. Nobody should be
+  # using it directly, and subclasses (like ActionController::Base) are
   # expected to provide their own +render+ method, since rendering means
   # different things depending on the context.  
   class Base
@@ -40,12 +40,12 @@ def internal_methods
         controller.public_instance_methods(true)
       end
 
-      # The list of hidden actions to an empty Array. Defaults to an
-      # empty Array. This can be modified by other modules or subclasses
+      # The list of hidden actions to an empty array. Defaults to an
+      # empty array. This can be modified by other modules or subclasses
       # to specify particular actions as hidden.
       #
       # ==== Returns
-      # * <tt>Array</tt> - An array of method names that should not be considered actions.
+      # * <tt>array</tt> - An array of method names that should not be considered actions.
       def hidden_actions
         []
       end
@@ -57,7 +57,7 @@ def hidden_actions
       # itself. Finally, #hidden_actions are removed.
       #
       # ==== Returns
-      # * <tt>Array</tt> - A list of all methods that should be considered actions.
+      # * <tt>array</tt> - A list of all methods that should be considered actions.
       def action_methods
         @action_methods ||= begin
           # All public instance methods of this class, including ancestors
@@ -86,7 +86,7 @@ def clear_action_methods!
       # controller_name.
       #
       # ==== Returns
-      # * <tt>String</tt>
+      # * <tt>string</tt>
       def controller_path
         @controller_path ||= name.sub(/Controller$/, '').underscore unless anonymous?
       end
@@ -185,7 +185,7 @@ def _handle_action_missing
       # * <tt>action_name</tt> - An action name to find a method name for
       #
       # ==== Returns
-      # * <tt>String</tt> - The name of the method that handles the action
+      # * <tt>string</tt> - The name of the method that handles the action
       # * <tt>nil</tt>    - No method name could be found. Raise ActionNotFound.
       def method_for_action(action_name)
         if action_method?(action_name) then action_name