correct indentation in activity observer

app/observers/activity_observer.rb

@@ -21,22 +21,22 @@ class ActivityObserver < ActiveRecord::Observer
   end
 
   def after_close(record, transition)
-      Event.create(
-        project: record.project,
-        target_id: record.id,
-        target_type: record.class.name,
-        action: Event::CLOSED,
-        author_id: record.author_id_of_changes
-      )
+    Event.create(
+      project: record.project,
+      target_id: record.id,
+      target_type: record.class.name,
+      action: Event::CLOSED,
+      author_id: record.author_id_of_changes
+    )
   end
 
   def after_reopen(record, transition)
-      Event.create(
-        project: record.project,
-        target_id: record.id,
-        target_type: record.class.name,
-        action: Event::REOPENED,
-        author_id: record.author_id_of_changes
-      )
+    Event.create(
+      project: record.project,
+      target_id: record.id,
+      target_type: record.class.name,
+      action: Event::REOPENED,
+      author_id: record.author_id_of_changes
+    )
   end
 end

app/observers/note_observer.rb

 class NoteObserver < ActiveRecord::Observer
-
   def after_create(note)
     send_notify_mails(note)
   end