diff --git a/reference/en/modules/persistent_classes.xml b/reference/en/modules/persistent_classes.xml
index 42e969c3b1..aa6e036777 100644
--- a/reference/en/modules/persistent_classes.xml
+++ b/reference/en/modules/persistent_classes.xml
@@ -201,7 +201,8 @@ public class Cat {
             </para>
             <para>
                 You should also avoid declaring <literal>public final</literal> methods on the 
-                non-final classes.
+                non-final classes. If you want to use a class with a <literal>public final</literal> 
+                method, you must explicitly disable proying by setting <literal>lazy="false"</literal>.
             </para>
         </sect2>