.SH DESCRIPTION
.B swaplabel
will display or change the label or UUID of a swap partition located on
-.IR device
+.I device
(or regular file).
.PP
If the optional arguments
-.B \-L
+.B \-L
and
-.B \-U
+.B \-U
are not given,
.B swaplabel
will simply display the current swap-area label and UUID of
Specify a new \fIUUID\fR for the device.
The \fI UUID\fR
must be in the standard 8-4-4-4-12 character format, such as is output by
-.BR uuidgen (1) .
-.PP
-.SH AUTHOR
+.BR uuidgen (1).
+.SH ENVIRONMENT
+.IP LIBBLKID_DEBUG=all
+enables libblkid debug output.
+.SH AUTHORS
.B swaplabel
was written by Jason Borden <jborden@bluehost.com> and Karel Zak <kzak@redhat.com>.
-.SH ENVIRONMENT
-.IP LIBBLKID_DEBUG=0xffff
-enables debug output.
-.SH AVAILABILITY
-The swaplabel command is part of the util-linux package and is available from
-ftp://ftp.kernel.org/pub/linux/utils/util-linux/.
.SH SEE ALSO
+.BR uuidgen (1),
.BR mkswap (8),
-.BR swapon (8),
-.BR uuidgen (1)
+.BR swapon (8)
+.SH AVAILABILITY
+The swaplabel command is part of the util-linux package and is available from
+https://www.kernel.org/pub/linux/utils/util-linux/.