--- old/src/java.compiler/share/classes/javax/lang/model/util/Elements.java	2019-01-08 19:24:12.249144051 -0800
+++ new/src/java.compiler/share/classes/javax/lang/model/util/Elements.java	2019-01-08 19:24:11.877144051 -0800
@@ -451,6 +451,7 @@
     /**
      * Returns the package of an element.  The package of a package is
      * itself.
+     * The package of a module is {@code null}.
      *
      * @param type the element being examined
      * @return the package of an element