--- old/src/java.base/share/classes/java/util/concurrent/locks/ReentrantLock.java	2021-01-09 11:35:56.100936355 -0800
+++ new/src/java.base/share/classes/java/util/concurrent/locks/ReentrantLock.java	2021-01-09 11:35:55.796938747 -0800
@@ -550,7 +550,7 @@
      *
      * <pre> {@code
      * class X {
-     *   ReentrantLock lock = new ReentrantLock();
+     *   final ReentrantLock lock = new ReentrantLock();
      *   // ...
      *   public void m() {
      *     assert lock.getHoldCount() == 0;
@@ -580,7 +580,7 @@
      *
      * <pre> {@code
      * class X {
-     *   ReentrantLock lock = new ReentrantLock();
+     *   final ReentrantLock lock = new ReentrantLock();
      *   // ...
      *
      *   public void m() {
@@ -594,7 +594,7 @@
      *
      * <pre> {@code
      * class X {
-     *   ReentrantLock lock = new ReentrantLock();
+     *   final ReentrantLock lock = new ReentrantLock();
      *   // ...
      *
      *   public void m() {