[*] TR : update English translations key for Back Office

controllers/admin/AdminRangeWeightController.php

@@ -74,7 +74,7 @@ class AdminRangeWeightControllerCore extends AdminController
 						'id' => 'id_carrier',
 						'name' => 'name'
 					),
-					'empty_message' => '<div style="margin:5px 0 10px 0">'.$this->l('There isn\'t any carrier available for this weight range.').'</div>'
+					'empty_message' => '<div style="margin:5px 0 10px 0">'.$this->l('There is no carrier available for this weight range.').'</div>'
 				),
 				array(
 					'type' => 'text',