--- old/src/java.base/share/classes/javax/security/auth/x500/X500PrivateCredential.java	2017-05-25 01:47:30.334870239 -0700
+++ new/src/java.base/share/classes/javax/security/auth/x500/X500PrivateCredential.java	2017-05-25 01:47:30.222856003 -0700
@@ -36,6 +36,7 @@
  * This enables looking up the private credentials for an X.500 principal
  * in a subject.
  *
+ * @since 1.4
  */
 public final class X500PrivateCredential implements Destroyable {
     private X509Certificate cert;