--- src/usr.sbin/rndcontrol/rndcontrol.8	2006/03/26 22:56:58	1.4
+++ src/usr.sbin/rndcontrol/rndcontrol.8	2006/07/10 22:52:31	1.5
@@ -42,10 +42,8 @@ device
 .Sh DESCRIPTION
 The
 .Nm
-command is used to set which interrupts are used to help randomise
-the
-.Dq "pool of entropy"
-maintained by the kernel.
+command is used to set which interrupts are used to help add entropy
+to the CSPRNG maintained by the kernel.
 The
 .Pa /dev/random
 and
@@ -71,7 +69,9 @@ This option may be repeated for
 more than one IRQ.
 .El
 .Pp
-The default is to have no IRQ's being used.
+By default, all IRQs will help develop entropy.  The kernel uses a
+rate-limited helper thread to add the actual entropy and even fast
+interrupts should not detrimentally effect a running system.
 .Sh FILES
 .Bl -tag -width ".Pa /dev/urandom" -compact
 .It Pa /dev/random
@@ -80,7 +80,8 @@ secure random device
 random device
 .El
 .Sh SEE ALSO
-.Xr random 4
+.Xr random 4 ,
+.Xr srandomdev 3
 .Sh HISTORY
 The
 .Nm