diff --git a/app/models/watcher.rb b/app/models/watcher.rb
index a6c0c331c..de111185a 100644
--- a/app/models/watcher.rb
+++ b/app/models/watcher.rb
@@ -1,16 +1,16 @@
-# redMine - project management software
-# Copyright (C) 2006-2007  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.
@@ -18,7 +18,7 @@
 class Watcher < ActiveRecord::Base
   belongs_to :watchable, :polymorphic => true
   belongs_to :user
-  
+
   validates_presence_of :user
   validates_uniqueness_of :user_id, :scope => [:watchable_type, :watchable_id]
 
@@ -34,25 +34,25 @@ class Watcher < ActiveRecord::Base
       pruned
     end
   end
-  
+
   protected
-  
+
   def validate
     errors.add :user_id, :invalid unless user.nil? || user.active?
   end
-  
+
   private
-  
+
   def self.prune_single_user(user, options={})
     return unless user.is_a?(User)
     pruned = 0
     find(:all, :conditions => {:user_id => user.id}).each do |watcher|
       next if watcher.watchable.nil?
-      
+
       if options.has_key?(:project)
         next unless watcher.watchable.respond_to?(:project) && watcher.watchable.project == options[:project]
       end
-      
+
       if watcher.watchable.respond_to?(:visible?)
         unless watcher.watchable.visible?(user)
           watcher.destroy