diff --git a/db/migrate/20100920182433_change_action_tracker_record.rb b/db/migrate/20100920182433_change_action_tracker_record.rb
index 84efa58..93aa417 100644
--- a/db/migrate/20100920182433_change_action_tracker_record.rb
+++ b/db/migrate/20100920182433_change_action_tracker_record.rb
@@ -2,7 +2,7 @@ class ChangeActionTrackerRecord < ActiveRecord::Migration
   def self.up
     rename_column(:action_tracker, :dispatcher_type, :target_type)
     rename_column(:action_tracker, :dispatcher_id, :target_id)
-    ActionTracker:Record.where(verb: 'publish_article_in_community').update_all verb: 'create_article'
+    ActionTracker::Record.where(verb: 'publish_article_in_community').update_all verb: 'create_article'
   end
 
   def self.down
diff --git a/db/migrate/20131011164400_add_spam_to_task.rb b/db/migrate/20131011164400_add_spam_to_task.rb
index fe19894..f441c29 100644
--- a/db/migrate/20131011164400_add_spam_to_task.rb
+++ b/db/migrate/20131011164400_add_spam_to_task.rb
@@ -3,7 +3,7 @@ class AddSpamToTask < ActiveRecord::Migration
     change_table :tasks do |t|
       t.boolean :spam, :default => false
     end
-    Task.update_all ["spam = ?", false]
+    Task.update_all spam: false
     add_index :tasks, [:spam]
   end
 
diff --git a/db/migrate/20140221142304_move_title_virtual_field_to_name_in_uploaded_file.rb b/db/migrate/20140221142304_move_title_virtual_field_to_name_in_uploaded_file.rb
index 0d05d67..491dca8 100644
--- a/db/migrate/20140221142304_move_title_virtual_field_to_name_in_uploaded_file.rb
+++ b/db/migrate/20140221142304_move_title_virtual_field_to_name_in_uploaded_file.rb
@@ -3,7 +3,6 @@ class MoveTitleVirtualFieldToNameInUploadedFile < ActiveRecord::Migration
     UploadedFile.find_each do |uploaded_file|
       uploaded_file.name = uploaded_file.setting.delete(:title)
       UploadedFile.where(id: uploaded_file.id).update_all setting: uploaded_file.setting.to_yaml, name: uploaded_file.name
-
     end
   end
 
--
libgit2 0.21.2