--- old/src/share/classes/javax/imageio/metadata/IIOMetadataNode.java	2014-08-12 11:10:42.000000000 -0700
+++ new/src/share/classes/javax/imageio/metadata/IIOMetadataNode.java	2014-08-12 11:10:42.000000000 -0700
@@ -305,6 +305,9 @@
     /**
      * Check that the node is either <code>null</code> or an
      * <code>IIOMetadataNode</code>.
+     *
+     * @exception DOMException thrown if the node is not <code>null</code> or
+     * not an instance of <code>IIOMetadtaNode</code>
      */
     private void checkNode(Node node) throws DOMException {
         if (node == null) {