diff --git a/SAXresult/dtd2 b/SAXresult/dtd2
index f0302d3..80f9dfc 100644
--- a/SAXresult/dtd2
+++ b/SAXresult/dtd2
@@ -1,6 +1,6 @@
 SAX.setDocumentLocator()
 SAX.startDocument()
-SAX.internalSubset(doc, (null), (null))
+SAX.internalSubset(doc, , )
 SAX.elementDecl(doc, 3, ...)
 SAX.startElement(doc)
 SAX.characters(This is a valid document !, 26)