-at live\-snapshot(1) for more informations. If "nofiles" is specified, only
-filesystems with matching labels will be searched; no filesystems will be
-traversed looking for archives or image files. This results in shorter boot
-times.
+at live\-snapshot(1) for more informations.
+.br
+If "nofiles" is specified, only filesystems with matching labels will be
+searched; no filesystems will be traversed looking for archives or image
+files. This results in shorter boot times.
+.br
+If "cryptsetup" is specified, filesystems stored on Luks\-encrypted devices
+will be considered as well as others when searching for a persistence
+filesystem; the user will be prompted for any needed decryption passphrase.
+.IP \fBpersistent\-media\fP={\fIremovable\fP|\fIremovable\-usb\fP} 4
+If you specify the keyword 'removable', live\-boot will try to find
+persistent and snapshot partitions on removable media only. Note that if you
+want to further restrict the media to usb mass storage only, you can use the
+\&'removable\-usb' keyword.