Some javadoc about HibernatePersistenceConfiguration

Signed-off-by: Gavin King <gavin@hibernate.org>

hibernate-core/src/main/java/org/hibernate/cfg/Configuration.java

@@ -112,12 +112,17 @@ import jakarta.persistence.SharedCacheMode;
  * Programs may directly use the APIs defined under {@link org.hibernate.boot},
  * as an alternative to using an instance of this class.
  *
+ * @apiNote The {@link org.hibernate.jpa.HibernatePersistenceConfiguration}
+ * is a new alternative to this venerable API, and extends the JPA-standard
+ * {@link jakarta.persistence.PersistenceConfiguration}.
+ *
  * @author Gavin King
  * @author Steve Ebersole
  *
  * @see SessionFactory
  * @see AvailableSettings
  * @see org.hibernate.boot
+ * @see org.hibernate.jpa.HibernatePersistenceConfiguration
  */
 public class Configuration {
 	private static final CoreMessageLogger log = CoreLogging.messageLogger( Configuration.class );

hibernate-core/src/main/java/org/hibernate/jpa/HibernatePersistenceConfiguration.java

@@ -28,9 +28,12 @@ import jakarta.persistence.SharedCacheMode;
 import jakarta.persistence.ValidationMode;
 
 /**
- * Hibernate extension to the Jakarta Persistence PersistenceConfiguration contract.
+ * Hibernate extension to the Jakarta Persistence {@link PersistenceConfiguration}
+ * contract.
  *
  * @author Steve Ebersole
+ *
+ * @since 7.0
  */
 public class HibernatePersistenceConfiguration extends PersistenceConfiguration {
 	/**