Update JdbcUserDetailsManager Javadoc and author

Signed-off-by: Junhyeok Lee <jhl221123@naver.com>

core/src/main/java/org/springframework/security/provisioning/JdbcUserDetailsManager.java

@@ -64,6 +64,7 @@ import org.springframework.util.Assert;
  * using this implementation for managing your users.
  *
  * @author Luke Taylor
+ * @author Junhyeok Lee
  * @since 2.0
  */
 public class JdbcUserDetailsManager extends JdbcDaoImpl
@@ -622,6 +623,10 @@ public class JdbcUserDetailsManager extends JdbcDaoImpl
 		}
 	}
 
+	/**
+	 * Conditionally updates password based on the setting from
+	 * {@link #setEnableUpdatePassword(boolean)}. {@inheritDoc}
+	 */
 	@Override
 	public UserDetails updatePassword(UserDetails user, String newPassword) {
 		if (this.enableUpdatePassword) {

core/src/test/java/org/springframework/security/provisioning/JdbcUserDetailsManagerTests.java

@@ -60,6 +60,7 @@ import static org.mockito.BDDMockito.verify;
  *
  * @author Luke Taylor
  * @author dae won
+ * @author Junhyeok Lee
  */
 public class JdbcUserDetailsManagerTests {