diff --git a/kernel/unified/sched.c b/kernel/unified/sched.c
index ce999acc8ce..bea7779867c 100644
--- a/kernel/unified/sched.c
+++ b/kernel/unified/sched.c
@@ -288,7 +288,7 @@ void k_sleep(int32_t duration)
 
 	K_DEBUG("thread %p for %d ns\n", _current, duration);
 
-	/* wait of 0 ns is treated as a 'yield' */
+	/* wait of 0 ms is treated as a 'yield' */
 	if (duration == 0) {
 		k_yield();
 		return;