diff --git a/usr.sbin/pccard/pccardc/pccardc.8 b/usr.sbin/pccard/pccardc/pccardc.8
index c790d2df1d4f..32ed619bf7de 100644
--- a/usr.sbin/pccard/pccardc/pccardc.8
+++ b/usr.sbin/pccard/pccardc/pccardc.8
@@ -72,6 +72,10 @@ Write pcic register
 .Nm beep Ar 0|1
 .Pp
 Specifies the sound made upon card insertion or removal.
+This subcommand corresponds to
+.Pa pccard_beep
+in
+.Xr rc.conf 5 .
 .Pp
 .Bl -tag -width Ds -compact
 .It Ar 0