diff 87a823332f9eaa4ff1e72f8524f6e59d1cc4f407 uncommitted
--- a/sys/man/1/vnc
+++ b/sys/man/1/vnc
@@ -201,9 +201,11 @@
 If the remote frame buffer is larger than the local screen,
 only the upper left corner can be accessed.
 .PP
+.I Vncs
+and
+.I vncv encryption is not secure.  It's advisable to tunnel through
+ssh or some other secure protocol.
+.PP
 .I Vncv
 does no verification of the TLS certificate presented
 by the server.
-.PP
-.I Vncv
-supports only version 3.3 of the RFB protocol.