diff --git a/activerecord/lib/active_record/timestamp.rb b/activerecord/lib/active_record/timestamp.rb
index 2877510ae4..3c947f0eb6 100644
--- a/activerecord/lib/active_record/timestamp.rb
+++ b/activerecord/lib/active_record/timestamp.rb
@@ -5,7 +5,7 @@ module ActiveRecord
   #
   # This behavior can be turned off by setting <tt>ActiveRecord::Base.record_timestamps = false</tt>.
   # This behavior by default uses local time, but can use UTC by setting <tt>ActiveRecord::Base.default_timezone = :utc</tt>
-  module Timestamp 
+  module Timestamp
     def self.append_features(base) # :nodoc:
       super
 
@@ -16,14 +16,14 @@ module ActiveRecord
         alias_method :update_without_timestamps, :update
         alias_method :update, :update_with_timestamps
       end
-    end    
-      
+    end
+
     def create_with_timestamps #:nodoc:
       if record_timestamps
       t = ( self.class.default_timezone == :utc ? Time.now.utc : Time.now )
         write_attribute('created_at', t) if respond_to?(:created_at) && created_at.nil?
         write_attribute('created_on', t) if respond_to?(:created_on) && created_on.nil?
-      
+
         write_attribute('updated_at', t) if respond_to?(:updated_at)
         write_attribute('updated_on', t) if respond_to?(:updated_on)
       end
@@ -38,7 +38,7 @@ module ActiveRecord
       end
       update_without_timestamps
     end
-  end 
+  end
 
   class Base
     # Records the creation date and possibly time in created_on (date only) or created_at (date and time) and the update date and possibly