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From: Ed Maste <emaste@FreeBSD.org>
Date: Fri, 9 Mar 2012 15:25:27 +0000 (UTC)
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Subject: svn commit: r232725 - head/share/man/man4
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Author: emaste
Date: Fri Mar  9 15:25:27 2012
New Revision: 232725
URL: http://svn.freebsd.org/changeset/base/232725

Log:
  Remove undesired sysctl(3) xref
  
  Submitted by:	bde

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

Modified: head/share/man/man4/tcp.4
==============================================================================
--- head/share/man/man4/tcp.4	Fri Mar  9 13:15:40 2012	(r232724)
+++ head/share/man/man4/tcp.4	Fri Mar  9 15:25:27 2012	(r232725)
@@ -258,8 +258,7 @@ on writes to the specified socket.
 Outgoing traffic is digested;
 digests on incoming traffic are verified if the
 .Va net.inet.tcp.signature_verify_input
-.Xr sysctl 3
-is nonzero.
+sysctl 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