diff --git a/src/java.base/share/classes/java/time/format/DateTimeFormatter.java b/src/java.base/share/classes/java/time/format/DateTimeFormatter.java
index 3f681d4771f..3346de707ed 100644
--- a/src/java.base/share/classes/java/time/format/DateTimeFormatter.java
+++ b/src/java.base/share/classes/java/time/format/DateTimeFormatter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2022, 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
@@ -782,10 +782,10 @@ public final class DateTimeFormatter {
      * <li>Four digits or more for the {@link ChronoField#YEAR year}.
      * Years in the range 0000 to 9999 will be pre-padded by zero to ensure four digits.
      * Years outside that range will have a prefixed positive or negative symbol.
-     * <li>A dash
+     * <li>A hyphen ('HYPHEN-MINUS', U+002D)
      * <li>Two digits for the {@link ChronoField#MONTH_OF_YEAR month-of-year}.
      *  This is pre-padded by zero to ensure two digits.
-     * <li>A dash
+     * <li>A hyphen ('HYPHEN-MINUS', U+002D)
      * <li>Two digits for the {@link ChronoField#DAY_OF_MONTH day-of-month}.
      *  This is pre-padded by zero to ensure two digits.
      * </ul>
@@ -1115,7 +1115,7 @@ public final class DateTimeFormatter {
      * <li>Four digits or more for the {@link ChronoField#YEAR year}.
      * Years in the range 0000 to 9999 will be pre-padded by zero to ensure four digits.
      * Years outside that range will have a prefixed positive or negative symbol.
-     * <li>A dash
+     * <li>A hyphen ('HYPHEN-MINUS', U+002D)
      * <li>Three digits for the {@link ChronoField#DAY_OF_YEAR day-of-year}.
      *  This is pre-padded by zero to ensure three digits.
      * <li>If the offset is not available to format or parse then the format is complete.
@@ -1155,11 +1155,11 @@ public final class DateTimeFormatter {
      * <li>Four digits or more for the {@link IsoFields#WEEK_BASED_YEAR week-based-year}.
      * Years in the range 0000 to 9999 will be pre-padded by zero to ensure four digits.
      * Years outside that range will have a prefixed positive or negative symbol.
-     * <li>A dash
+     * <li>A hyphen ('HYPHEN-MINUS', U+002D)
      * <li>The letter 'W'. Parsing is case insensitive.
      * <li>Two digits for the {@link IsoFields#WEEK_OF_WEEK_BASED_YEAR week-of-week-based-year}.
      *  This is pre-padded by zero to ensure three digits.
-     * <li>A dash
+     * <li>A hyphen ('HYPHEN-MINUS', U+002D)
      * <li>One digit for the {@link ChronoField#DAY_OF_WEEK day-of-week}.
      *  The value run from Monday (1) to Sunday (7).
      * <li>If the offset is not available to format or parse then the format is complete.