--- a/jdk/src/jdk.security.auth/share/classes/com/sun/security/auth/package-info.java	Mon Jun 19 08:16:03 2017 -0400
+++ b/jdk/src/jdk.security.auth/share/classes/com/sun/security/auth/package-info.java	Mon Jun 19 22:54:09 2017 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,4 +23,9 @@
  * questions.
  */
 
+/**
+ * Provides implementations of {@link java.security.Principal}.
+ *
+ * @since 1.4
+ */
 package com.sun.security.auth;