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diff --git a/usr.sbin/tcpsso/tcpsso.8 b/usr.sbin/tcpsso/tcpsso.8
--- a/usr.sbin/tcpsso/tcpsso.8
+++ b/usr.sbin/tcpsso/tcpsso.8
@@ -24,7 +24,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd February 10, 2022
+.Dd June 30, 2022
.Dt TCPSSO 8
.Os
.Sh NAME
@@ -73,6 +73,15 @@
.Ar optval
on a TCP endpoint from the command line.
.Pp
+TCP endpoints in the
+.Dv TIME_WAIT
+state can not be handled by
+.Nm .
+TCP endpoints in the
+.Dv SYN_RCVD
+state can only be handled if their prior state was
+.Dv SYN_SENT .
+.Pp
.Op Ar level
can be specified as a non negative number or a symbolic name like
.Dv SOL_SOCKET ,
@@ -129,8 +138,8 @@
.Fl a
is specified then
.Nm
-will apply the socket option to all TCP endpoints not being in the state
-.Dv TIME_WAIT .
+will apply the socket option to all TCP endpoints subject to the above state
+restrictions.
.Pp
If
.Fl C Ar cc-algo
@@ -139,8 +148,7 @@
will apply the socket option to all TCP endpoints using the TCP
congestion control algorithm
.Ar cc-algo
-and not being in the state
-.Dv TIME_WAIT .
+and subject to the above state restrictions.
.Pp
If
.Fl S Ar stack
@@ -149,8 +157,7 @@
will apply the socket option to all TCP endpoints using the TCP
stack
.Ar stack
-and not being in the state
-.Dv TIME_WAIT .
+and subject to the above state restrictions.
.Pp
If
.Fl s Ar state
@@ -170,6 +177,12 @@
.Dv CLOSING ,
.Dv LAST_ACK ,
.Dv FIN_WAIT_2 .
+Using
+.Dv SYN_RCVD
+only applies to TCP endpoints in the state
+.Dv SYN_RCVD
+if their prior state was
+.Dv SYN_SENT .
.Pp
If multiple of
.Fl C Ar cc-algo ,

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