diff --git a/share/man/man5/rc.conf.5 b/share/man/man5/rc.conf.5
index bfc5745f0ffe..05cbc9a95c86 100644
--- a/share/man/man5/rc.conf.5
+++ b/share/man/man5/rc.conf.5
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     $Id: rc.conf.5,v 1.36 1999/07/16 09:22:01 jkh Exp $
+.\"     $Id: rc.conf.5,v 1.37 1999/07/26 10:49:37 brian Exp $
 .\"
 .Dd April 26, 1997
 .Dt RC.CONF 5
@@ -185,6 +185,12 @@ try setting this back to
 .Ar NO
 and seeing if that helps.  Some hardware/software out there is known
 to be broken with respect to these options.
+.It Ar log_in_vain
+(bool) Set to
+.Ar NO
+by default.
+Setting to YES will enable logging of connection attempts to ports that
+have no listening socket on them.
 .It Ar network_interfaces
 (str) Set to the list of network interfaces to configure on this host.
 For example, if you had a loopback device (standard) and an SMC Elite