How to re-lable this menue

Please see: https://codex.www.ads-software.com/Forum_Welcome#Include_as_much_information_as_possible

That is the image

https://i58.tinypic.com/2mn5gyc.png

Im Working on 3.9.1

I have used this code but that didn’t change + nEW POST Menue

function change_post_menu_text() {
  global $menu;
  global $submenu;

  // Change menu item
  $menu[5][0] = 'Articles';

  // Change post submenu
  $submenu['edit.php'][5][0] = 'All Articles';
  $submenu['edit.php'][10][0] = 'Add Articles';
  $submenu['edit.php'][16][0] = 'Articles Tags';
}

add_action( 'admin_menu', 'change_post_menu_text' )