diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c
index 42dbd06a266f..ca4102a3ef67 100644
--- a/sys/dev/sio/sio.c
+++ b/sys/dev/sio/sio.c
@@ -425,7 +425,7 @@ SYSCTL_PROC(_machdep, OID_AUTO, conspeed, CTLTYPE_INT | CTLFLAG_RW,
  *	XXX this is mostly wrong.
  *	XXX TODO:
  *	This is usually called when the card is ejected, but
- *	can be caused by a modunload of a controller driver.
+ *	can be caused by a kldunload of a controller driver.
  *	The idea is to reset the driver's view of the device
  *	and ensure that any driver entry points such as
  *	read and write do not hang.