some editorial fixes in README and the synopsis

README.rst

@@ -181,9 +181,9 @@ OPTIONS
         A binary dump of the Varnish SHM log produced by
         'varnishlog -B -w'. If this option is specified, trackrdrd
         reads from the dump instead of a live SHM log (useful for
-        debugging and replaying traffic). The options -f and -n are
-        mutually exclusive; -n is the default. Also set by the config
-        parameter 'varnish.bindump'.
+        debugging and replaying traffic). The options -f, -n and -N
+        are mutually exclusive; -n is the default. Also set by the
+        config parameter 'varnish.bindump'.
 
     -L limit
         Sets the upper limit of incomplete transactions kept by the

synopsis.txt

-  trackrdrd [[-n varnish_name] | [-f varnishlog_bindump]]
+  trackrdrd [[-n varnish_name] | [-f varnish_binlog] | [-N vsm_file]]
             [-c config_file] [-u user] [-P pid_file]
             [[-l log_file] | [-y syslog_facility]]
             [-L tx_limit] [-T tx_timeout]