diff --git a/railties/guides/source/active_record_validations_callbacks.textile b/railties/guides/source/active_record_validations_callbacks.textile
index 0824ba450c1c7da95f2d9531914ed8ab8476c691..a15571fe586e65f6e24efc6a18b152ea22055005 100644
--- a/railties/guides/source/active_record_validations_callbacks.textile
+++ b/railties/guides/source/active_record_validations_callbacks.textile
@@ -414,7 +414,7 @@ class Person < ActiveRecord::Base
   validates_with GoodnessValidator
 end
 
-class GoodnessValidator < ActiveRecord::Validator
+class GoodnessValidator < ActiveModel::Validator
   def validate
     if record.first_name == "Evil"
       record.errors[:base] << "This person is evil"