Changes for i18n yml

app/controllers/admin/page_parts_controller.rb

@@ -47,7 +47,7 @@ class Admin::PagePartsController < ApplicationController
     @part = PagePart.find(params[:id])
     if @part.update_attributes(params[:page_part])
       set_children_sub_menu(@part) if @part.public_r_tag && @part.public_r_tag.eql?('sub_menu')
-      flash.now[:notice] = t('admin.update_success_content')
+      flash.now[:notice] = t('update.success.content')
 
       if @part.page.name == 'home'
         expire_page '/'