diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 3a7f6c0f3c..389ade425b 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -1029,10 +1029,10 @@ module ActionController #:nodoc:
       #
       # * <tt>Hash</tt> - The URL will be generated by calling url_for with the +options+.
       # * <tt>Record</tt> - The URL will be generated by calling url_for with the +options+, which will reference a named URL for that record.
-      # * <tt>String starting with protocol:// (like http://)</tt> - Is passed straight through as the target for redirection.
-      # * <tt>String not containing a protocol</tt> - The current protocol and host is prepended to the string.
+      # * <tt>String</tt> starting with <tt>protocol://</tt> (like <tt>http://</tt>) - Is passed straight through as the target for redirection.
+      # * <tt>String</tt> not containing a protocol - The current protocol and host is prepended to the string.
       # * <tt>:back</tt> - Back to the page that issued the request. Useful for forms that are triggered from multiple places.
-      #   Short-hand for redirect_to(request.env["HTTP_REFERER"])
+      #   Short-hand for <tt>redirect_to(request.env["HTTP_REFERER"])</tt>
       #
       # Examples:
       #   redirect_to :action => "show", :id => 5