diff --git a/src/java.base/share/classes/java/time/zone/ZoneRules.java b/src/java.base/share/classes/java/time/zone/ZoneRules.java
index 480ff2bb27c..5945e801f15 100644
--- a/src/java.base/share/classes/java/time/zone/ZoneRules.java
+++ b/src/java.base/share/classes/java/time/zone/ZoneRules.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -828,9 +828,9 @@ public final class ZoneRules implements Serializable {
      * This default implementation compares the {@link #getOffset(java.time.Instant) actual}
      * and {@link #getStandardOffset(java.time.Instant) standard} offsets.
      *
-     * @param instant  the instant to find the offset information for, not null, but null
+     * @param instant  the instant to check the daylight savings for, not null, but null
      *  may be ignored if the rules have a single offset for all instants
-     * @return the standard offset, not null
+     * @return true if the specified instant is in daylight savings, false otherwise.
      */
     public boolean isDaylightSavings(Instant instant) {
         return (getStandardOffset(instant).equals(getOffset(instant)) == false);