diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c
index a07b146b01b..9252c8bcd62 100644
--- a/sys/amd64/amd64/mp_machdep.c
+++ b/sys/amd64/amd64/mp_machdep.c
@@ -1227,7 +1227,7 @@ sysctl_hyperthreading_allowed(SYSCTL_HANDLER_ARGS)
 #ifdef SCHED_ULE
 	/*
 	 * SCHED_ULE doesn't allow enabling/disabling HT cores at
-	 * tun time.
+	 * run time.
 	 */
 	if (allowed != hyperthreading_allowed)
 		return (ENOTSUP);
diff --git a/sys/i386/i386/mp_machdep.c b/sys/i386/i386/mp_machdep.c
index d9c41d338aa..3171fd0a70c 100644
--- a/sys/i386/i386/mp_machdep.c
+++ b/sys/i386/i386/mp_machdep.c
@@ -1398,7 +1398,7 @@ sysctl_hyperthreading_allowed(SYSCTL_HANDLER_ARGS)
 #ifdef SCHED_ULE
 	/*
 	 * SCHED_ULE doesn't allow enabling/disabling HT cores at
-	 * tun time.
+	 * run time.
 	 */
 	if (allowed != hyperthreading_allowed)
 		return (ENOTSUP);