-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.