--- ttcp.1	2010-02-06 15:13:22.000000000 +0100
+++ ttcp.1.new	2010-02-06 18:41:20.000000000 +0100
@@ -140,4 +140,4 @@
 \-d
 Debug: set the SO_DEBUG socket option.
 .SH SEE ALSO
-ping(1M), traceroute(1M), netsnoop(1M)
+ping(8), traceroute(8)