diff --git a/config/initializers/omniauth.rb b/config/initializers/omniauth.rb
index d4279d7b7..e14de3c8a 100644
--- a/config/initializers/omniauth.rb
+++ b/config/initializers/omniauth.rb
@@ -1,6 +1,6 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
 
-  # twitter database connect 
+  # twitter database connect
   provider :twitter_database, 'not_change_will_be_set_by_databse', 'not_change_will_be_set_by_databse',
     client_options: { authorize_path: '/oauth/authorize', site: 'https://api.twitter.com' }
 
diff --git a/db/migrate/20120101000070_create_channel.rb b/db/migrate/20120101000070_create_channel.rb
index a5c080437..6ffb0bd94 100644
--- a/db/migrate/20120101000070_create_channel.rb
+++ b/db/migrate/20120101000070_create_channel.rb
@@ -1,6 +1,6 @@
 class CreateChannel < ActiveRecord::Migration
   def up
-    
+
     create_table :channels do |t|
       t.references :group,                                null: true
       t.column :adapter,        :string, limit: 100,   null: false
diff --git a/db/migrate/20130815000002_update_ticket_number.rb b/db/migrate/20130815000002_update_ticket_number.rb
index 43616ef4f..e2664adb8 100644
--- a/db/migrate/20130815000002_update_ticket_number.rb
+++ b/db/migrate/20130815000002_update_ticket_number.rb
@@ -8,14 +8,14 @@ class UpdateTicketNumber < ActiveRecord::Migration
      number, the SystemID and the counter are used with SystemID.Counter format (e.g. 1010138, 1010139).
      With "Date" the ticket numbers will be generated by the current date, the SystemID and the counter.
      The format looks like Year.Month.Day.SystemID.counter (e.g. 201206231010138, 201206231010139).
-     With param "Checksum => true" the counter will be appended as checksum to the string. The format 
+     With param "Checksum => true" the counter will be appended as checksum to the string. The format
      looks like SystemID.Counter.CheckSum (e. g. 10101384, 10101392) or Year.Month.Day.SystemID.Counter.CheckSum (e.g. 2012070110101520, 2012070110101535).',
       options: {
         form: [
           {
             display: '',
             null: true,
-            name: 'ticket_number', 
+            name: 'ticket_number',
             tag: 'select',
             options: {
               'Ticket::Number::Increment' => 'Increment (SystemID.Counter)',
diff --git a/db/seeds.rb b/db/seeds.rb
index 806e074ac..f2de5a4f2 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -768,7 +768,7 @@ Setting.create_if_not_exists(
  number, the SystemID and the counter are used with SystemID.Counter format (e.g. 1010138, 1010139).
  With "Date" the ticket numbers will be generated by the current date, the SystemID and the counter.
  The format looks like Year.Month.Day.SystemID.counter (e.g. 201206231010138, 201206231010139).
- With param "Checksum => true" the counter will be appended as checksum to the string. The format 
+ With param "Checksum => true" the counter will be appended as checksum to the string. The format
  looks like SystemID.Counter.CheckSum (e. g. 10101384, 10101392) or Year.Month.Day.SystemID.Counter.CheckSum (e.g. 2012070110101520, 2012070110101535).',
   options: {
     form: [
diff --git a/lib/auth/ldap.rb b/lib/auth/ldap.rb
index 3e5ed005b..2994f65c8 100644
--- a/lib/auth/ldap.rb
+++ b/lib/auth/ldap.rb
@@ -76,7 +76,7 @@ module Auth::Ldap
       else
         user.update_attributes( user_attributes )
         puts "NOTICE: user updated '#{user.login}'"
-      end    
+      end
     end
 
     # return if it was not possible to create user