diff --git a/app/models/document.rb b/app/models/document.rb
index d51f2d328..f8ea92a11 100644
--- a/app/models/document.rb
+++ b/app/models/document.rb
@@ -1,16 +1,16 @@
-# redMine - project management software
-# Copyright (C) 2006  Jean-Philippe Lang
+# RedMine - project management software
+# Copyright (C) 2006-2011  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
@@ -25,23 +25,23 @@ class Document < ActiveRecord::Base
                 :author => Proc.new {|o| (a = o.attachments.find(:first, :order => "#{Attachment.table_name}.created_on ASC")) ? a.author : nil },
                 :url => Proc.new {|o| {:controller => 'documents', :action => 'show', :id => o.id}}
   acts_as_activity_provider :find_options => {:include => :project}
-  
+
   validates_presence_of :project, :title, :category
   validates_length_of :title, :maximum => 60
-  
+
   named_scope :visible, lambda {|*args| { :include => :project,
                                           :conditions => Project.allowed_to_condition(args.shift || User.current, :view_documents, *args) } }
-  
+
   def visible?(user=User.current)
     !user.nil? && user.allowed_to?(:view_documents, project)
   end
-  
+
   def after_initialize
     if new_record?
       self.category ||= DocumentCategory.default
     end
   end
-  
+
   def updated_on
     unless @updated_on
       a = attachments.find(:first, :order => 'created_on DESC')