.IR pkgstatedir .
The server will create this directory on startup if it does not exist.
.TP
-.B plugin \fIPATH\fR
+.B plugins \fIPATH\fR
Adds a directory to the plugin path. (This is also used by the web
interface.)
.IP
.B random-play
If unset or \fByes\fR then random play is enabled. Otherwise it is disabled.
Use \fBdisable\fR rather than setting it directly.
+.PP
+Global preferences starting '_' are read-only (in the sense that you cannot
+modify them; the server may modify them as part of its normal operation). They
+are:
+.TP
+.B _dbversion
+The database version string. This is used by DisOrder to detect when it must
+modify the database after an upgrade.
.SH "LIBAO DRIVER"
.SS "Raw Protocol Players"
Raw protocol players are expected to use the \fBdisorder\fR libao driver.