-will close its log file and reopen a new one with the same name. This
-is useful when you rotate logs.
+will close its log file and reopen a new one with the same name; this is
+useful when you rotate logs.
+.TP
+.B "\-t, \-\-no-timestamp"
+When logging to a file (with
+.BR \-f ),
+don't prefix log items with a timestamp. This is useful when the log
+output is being captured by some process which will add its own
+timestamps anyway.