--- a/jdk/src/share/classes/java/security/IdentityScope.java	Thu Feb 25 13:32:40 2010 +0800
+++ b/jdk/src/share/classes/java/security/IdentityScope.java	Mon Mar 01 17:54:31 2010 +0000
@@ -129,7 +129,8 @@
     /**
      * Returns the system's identity scope.
      *
-     * @return the system's identity scope.
+     * @return the system's identity scope, or {@code null} if none has been
+     *         set.
      *
      * @see #setSystemScope
      */