diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index af0a5a6cee985..bdb7aa67baef8 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2165,7 +2165,7 @@ EXPORT_SYMBOL_GPL(preempt_notifier_register);
  * preempt_notifier_unregister - no longer interested in preemption notifications
  * @notifier: notifier struct to unregister
  *
- * This is safe to call from within a preemption notifier.
+ * This is *not* safe to call from within a preemption notifier.
  */
 void preempt_notifier_unregister(struct preempt_notifier *notifier)
 {