Problem in changing label in leave request approval screen

Hi All,

I have followed the SAP note 1234273 to change labels in our Leave request iViewin ESS and could do it successfullybut I could not able to know how to change the labels in Leave request approval screen because I have created a custom role and assigned Universal work list to it and assigned it to manager to view the leave requests applied. I navigated to Leave request approval screen via that role but ctrl + right click is not working on that page. Please suggest me