Note: Linking to photos and videos is supported only for 5th generation iPods running iPod Software version 1.2 or later. All other Notes feature capabilities described in this document are supported for iPod models with display screens, beginning with the touch-screen models.
In the PDF that section shows a bar off to the left, like it is still text undergoing editing and most likely was not meant to be released to the public:
It will be interesting to see how quickly that PDF gets changed by Apple now that it has been discovered.