Timothy also agreed, now Ed Catmur is the last one missing to answer
diff --git a/utils/ImageOutputDev.cc b/utils/ImageOutputDev.cc
index 3f44077..fe4f0a6 100644
--- a/utils/ImageOutputDev.cc
+++ b/utils/ImageOutputDev.cc
@@ -10,6 +10,9 @@
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
+// All changes made under the Poppler project to this file are licensed
+// under GPL version 2 or later
+//
// Copyright (C) 2005, 2007 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2006 Rainer Keller <class321@gmx.de>
// Copyright (C) 2008 Timothy Lee <timothy.lee@siriushk.com>
diff --git a/utils/ImageOutputDev.h b/utils/ImageOutputDev.h
index b267756..e64cf56 100644
--- a/utils/ImageOutputDev.h
+++ b/utils/ImageOutputDev.h
@@ -10,6 +10,9 @@
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
+// All changes made under the Poppler project to this file are licensed
+// under GPL version 2 or later
+//
// Copyright (C) 2006 Rainer Keller <class321@gmx.de>
// Copyright (C) 2008 Timothy Lee <timothy.lee@siriushk.com>
//
