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diff --git a/man/man8/vdev_id.8 b/man/man8/vdev_id.8
index 612a50b..70956c6 100644
--- a/man/man8/vdev_id.8
+++ b/man/man8/vdev_id.8
@@ -19,15 +19,20 @@ drives.  Slot numbers may also be re-mapped in case the default
 numbering is unsatisfactory.  The drive aliases will be created as
 symbolic links in /dev/disk/by-vdev.
 
-The only currently supported topologies are sas_direct and
-sas_switch.  A multipath mode is supported in which dm-mpath
-devices are handled by examining the first-listed running
-component disk as reported by the
+The currently supported topologies are sas_direct and sas_switch.  A
+multipath mode is supported in which dm-mpath devices are handled by
+examining the first-listed running component disk as reported by the
 .BR multipath (8)
 command.  In multipath mode the configuration file should contain a
 channel definition with the same name for each path to a given
 enclosure.
 
+.BR vdev_id
+also supports creating aliases based on existing udev links in the /dev
+hierarchy using the \fIalias\fR configuration file keyword.  See the
+.BR vdev_id.conf (5)
+man page for details.
+
 .SH OPTIONS
 .TP
 \fB\-c\fR <config_file>