How We Can Customize Excel 2010 Keyboard Shortcuts

How do you customize Excel 2010 shortcuts

1. First Click the File tab to open Backstage view, and then click Options.
2. Second Click Customize Ribbon and then, next to the Keyboard Shortcuts heading, click Customize. You can enter the new key combination here.
   Here's the dialog it points to shown in Word:
   
   
   But here's the same dialog shown in Excel: 
   
    Notice it looks almost exactly the same but no "Keyboard Shortcuts: Customize."