from sources.  document -L and note this only works with ip4 (why?)

Reference: /n/atom/patch/applied/timesyncman
Date: Fri Mar  7 15:47:50 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/man/8/timesync	Fri Mar  7 15:47:37 2014
+++ /sys/man/8/timesync	Fri Mar  7 15:47:38 2014
@@ -26,6 +26,8 @@
 synchronizes the system clock to a time source, by default a
 file server.
 The options are:
+.TF -L
+.PD
 .TP
 .B -f
 synchronize to a file server.  If
@@ -108,3 +110,5 @@
 log file
 .SH SOURCE
 .B /sys/src/cmd/aux/timesync.c
+.SH BUGS
+Only works with IPv4.