Manual: Song rating control is a list, and therefore no need to explain what key to press in order to select a value.
In anyway, \ButtonRight is not the correct macro to use, as it not necessarily
defined for all targets.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23930 a1c6a512-1295-4272-9138-f99709370657