diff --git a/src/share/classes/java/beans/DefaultPersistenceDelegate.java b/src/share/classes/java/beans/DefaultPersistenceDelegate.java
index de6a1b7517897b255690ee427265e622a604ea2c..0d056c2e8e5bb474889900935dea83acecb7f6d9 100644
--- a/src/share/classes/java/beans/DefaultPersistenceDelegate.java
+++ b/src/share/classes/java/beans/DefaultPersistenceDelegate.java
@@ -149,6 +149,7 @@ public class DefaultPersistenceDelegate extends PersistenceDelegate {
      * @return An expression whose value is <code>oldInstance</code>.
      *
      * @throws NullPointerException if {@code out} is {@code null}
+     *                              and this value is used in the method
      *
      * @see #DefaultPersistenceDelegate(String[])
      */
diff --git a/src/share/classes/java/beans/PersistenceDelegate.java b/src/share/classes/java/beans/PersistenceDelegate.java
index bbdcdbf060c0026f7a07faec60bae724f1d5be39..4124d2ff9354f1b5fc441d32d48441cfeb6325e5 100644
--- a/src/share/classes/java/beans/PersistenceDelegate.java
+++ b/src/share/classes/java/beans/PersistenceDelegate.java
@@ -162,6 +162,7 @@ public abstract class PersistenceDelegate {
      * @return An expression whose value is <code>oldInstance</code>.
      *
      * @throws NullPointerException if {@code out} is {@code null}
+     *                              and this value is used in the method
      */
     protected abstract Expression instantiate(Object oldInstance, Encoder out);