fix typo and improve example [ci skip]

1 files changed, 3 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/attribute_methods/before_type_cast.rb b/activerecord/lib/active_record/attribute_methods/before_type_cast.rb
index 030972fc8a..7fe5411a3b 100644
--- a/activerecord/lib/active_record/attribute_methods/before_type_cast.rb
+++ b/activerecord/lib/active_record/attribute_methods/before_type_cast.rb
@@ -7,7 +7,7 @@ module ActiveRecord
         attribute_method_suffix "_before_type_cast"
       end
 
-      # Returns the value of the attribuet identified by +attr_name+ before
+      # Returns the value of the attribute identified by +attr_name+ before
       # typecasting and deserialization.
       #
       #   class Task < ActiveRecord::Base
@@ -28,6 +28,8 @@ module ActiveRecord
       #   end
       #
       #   task = Task.new(title: nil, is_done: true, completed_on: '2012-10-21')
+      #   task.attributes
+      #   # => {"id"=>nil, "title"=>nil, "is_done"=>true, "completed_on"=>Sun, 21 Oct 2012, "created_at"=>nil, "updated_at"=>nil}
       #   task.attributes_before_type_cast
       #   # => {"id"=>nil, "title"=>nil, "is_done"=>true, "completed_on"=>"2012-10-21", "created_at"=>nil, "updated_at"=>nil}
       def attributes_before_type_cast