--- old/jdk/src/java.prefs/share/classes/module-info.java	2017-03-25 14:45:42.000000000 -0700
+++ new/jdk/src/java.prefs/share/classes/module-info.java	2017-03-25 14:45:41.000000000 -0700
@@ -26,6 +26,7 @@
 /**
  * Defines the Preferences API.
  *
+ * @moduleGraph
  * @since 9
  */
 module java.prefs {