diff -ruN transmission-3.00/daemon/transmission-daemon.1 transmission-3.00-pidfile-doc/daemon/transmission-daemon.1
--- transmission-3.00/daemon/transmission-daemon.1	2020-05-22 13:04:23.378804764 +0200
+++ transmission-3.00-pidfile-doc/daemon/transmission-daemon.1	2022-03-12 22:30:45.845273400 +0100
@@ -29,6 +29,7 @@
 .Op Fl V
 .Op Fl w Ar download-dir
 .Op Fl e Ar logfile
+.Op Fl x Ar pid-file
 .Op Fl log-error | log-info | log-debug
 .Ek
 .Sh DESCRIPTION
@@ -132,6 +133,8 @@
 Show error and info messages
 .It Fl -log-debug
 Show error, info, and debug messages
+.It Fl x Fl -pid-file
+Name of PID file
 .El
 .Sh ENVIRONMENT
 .Bl -tag -width Fl