-The kboot.conf file can be read by the petitboot bootloader which is used for
-instance on the Sony Playstation 3 in OtherOS mode in order to list kernels to
-boot.
+kboot.conf is used for instance by the petitboot bootloader, which is used on
+the Sony PlayStation 3 in OtherOS mode; petitboot reads the file from the root
+filesystem in order to list kernels to boot.
+
+A description of the kboot.conf file format can be found at:
+http://www.kernel.org/pub/linux/kernel/people/geoff/cell/ps3-linux-docs/ps3-linux-docs-latest/mini-boot-conf.txt
+mirrored at:
+http://ring.nict.go.jp/pub/linux/kernel.org/kernel/people/geoff/cell/ps3-linux-docs/ps3-linux-docs-latest/mini-boot-conf.txt