Nintendo Wii firmware Update 3.2E
"Dear Customer,Nintendo would like to inform you that a Wii Menu update is now available. Select the Update button on the right to update your Wii Console.
From this version of the Wii Menu onwards, Wii System Update will be displayed in the Disc Channel when you insert a Wii Disc that contains an update for the Wii Menu or for a Channel on the Wii Menu.
if the update contained on the Disc is not necessary for your Wii console, the Disc Channel will be displayed normally.
Note: if you have already updated your Wii console since 26 February 2008, you do not need to update again.
Nintendo."