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From: Ed Maste <emaste@FreeBSD.org>
Date: Thu, 8 Mar 2012 15:27:30 +0000 (UTC)
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Subject: svn commit: r232695 - head/share/man/man4
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Author: emaste
Date: Thu Mar  8 15:27:29 2012
New Revision: 232695
URL: http://svn.freebsd.org/changeset/base/232695

Log:
  Correct markup, use proper reference for sysctl(3)
  
  Submitted by:	brueffer@

Modified:
  head/share/man/man4/tcp.4

Modified: head/share/man/man4/tcp.4
==============================================================================
--- head/share/man/man4/tcp.4	Thu Mar  8 13:00:49 2012	(r232694)
+++ head/share/man/man4/tcp.4	Thu Mar  8 15:27:29 2012	(r232695)
@@ -256,8 +256,10 @@ or the internal send buffer is filled.
 This option enables the use of MD5 digests (also known as TCP-MD5)
 on writes to the specified socket.
 Outgoing traffic is digested;
-digests on incoming traffic are verified
-if the net.inet.tcp.signature_verify_input sysctl is nonzero.
+digests on incoming traffic are verified if the
+.Va net.inet.tcp.signature_verify_input
+.Xr sysctl 3
+is nonzero.
 The current default behavior for the system is to respond to a system
 advertising this option with TCP-MD5; this may change.
 .Pp