diff --git a/etc/devd/apple.conf b/etc/devd/apple.conf
index 275d7378f884..26cbbb850151 100644
--- a/etc/devd/apple.conf
+++ b/etc/devd/apple.conf
@@ -11,7 +11,7 @@ notify 0 {
 };
 
 
-# Keyboard power key
+# PowerBook and iBook lid close.
 notify 0 {
 	match "system"		"PMU";
 	match "subsystem"	"lid";
diff --git a/sys/powerpc/powermac/pmu.c b/sys/powerpc/powermac/pmu.c
index ebadbefec9a0..97770047f5fc 100644
--- a/sys/powerpc/powermac/pmu.c
+++ b/sys/powerpc/powermac/pmu.c
@@ -702,14 +702,14 @@ pmu_intr(void *arg)
 			len - 3,&resp[3]);
 	}
 	if (resp[1] & PMU_INT_ENVIRONMENT) {
-		// if the lid was just closed, notify devd.
+		/* if the lid was just closed, notify devd. */
 		if ((resp[2] & PMU_ENV_LID_CLOSED) && (!sc->lid_closed)) {
 			sc->lid_closed = 1;
 			if (devctl_process_running())
 				devctl_notify("PMU", "lid", "close", NULL);
 		}
 		else if (!(resp[2] & PMU_ENV_LID_CLOSED) && (sc->lid_closed)) {
-			// if the lid was just opened, notify devd.
+			/* if the lid was just opened, notify devd. */
 			if (devctl_process_running())
 				devctl_notify("PMU", "lid", "open", NULL);
 			sc->lid_closed = 0;