diff --git a/man/lvchange.8.in b/man/lvchange.8.in
index 6f0e19d0b..fc66fb268 100644
--- a/man/lvchange.8.in
+++ b/man/lvchange.8.in
@@ -12,6 +12,7 @@ lvchange \- change attributes of a logical volume
 [\-\-ignorelockingfailure]
 [\-\-ignoremonitoring]
 [\-\-monitor {y|n}]
+[\-\-noudevsync]
 [\-M|\-\-persistent y|n] [\-\-minor minor]
 [\-P|\-\-partial]
 [\-p|\-\-permission r|rw] [\-r/\-\-readahead ReadAheadSectors|auto|none]
@@ -61,6 +62,13 @@ the failure is handled according to
 \fBmirror_image_fault_policy\fP and \fBmirror_log_fault_policy\fP
 set in \fBlvm.conf\fP.
 .TP
+.I \-\-noudevsync
+Disable udev synchronisation. The
+process will not wait for notification from udev.
+It will continue irrespective of any possible udev processing
+in the background.  You should only use this if udev is not running
+or has rules that ignore the devices LVM2 creates.
+.TP
 .I \-\-ignoremonitoring
 Make no attempt to interact with dmeventd unless \-\-monitor
 is specified.