undoing lockscreen setting

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http://androidforums.com – I accidentally changed the setting when I was changing my homescreen wallpaper to set my lockscreen to the same wallpaper. It briefly displayed how to undo this setting but i did not pay attention. Does any one know how to undo this? I want to set my homescreen wallpaper and not have it change my lockscreen wallpaper. I have a Galaxy Note on ICS. Thanks (General)