diff --git a/poppler/Catalog.cc b/poppler/Catalog.cc
index 570dfb1..4d29dc9 100644
--- a/poppler/Catalog.cc
+++ b/poppler/Catalog.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 Kristian Høgsberg <krh@redhat.com>
 // Copyright (C) 2005-2007 Albert Astals Cid <aacid@kde.org>
 // Copyright (C) 2005 Jeff Muizelaar <jrmuizel@nit.ca>
diff --git a/poppler/Outline.cc b/poppler/Outline.cc
index 32b3bda..630dae4 100644
--- a/poppler/Outline.cc
+++ b/poppler/Outline.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 Marco Pesenti Gritti <mpg@redhat.com>
 //
 // To see a description of the changes please see the Changelog file that
diff --git a/poppler/Outline.h b/poppler/Outline.h
index 90f9823..90190e6 100644
--- a/poppler/Outline.h
+++ b/poppler/Outline.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) 2005 Marco Pesenti Gritti <mpg@redhat.com>
 //
 // To see a description of the changes please see the Changelog file that
diff --git a/splash/Splash.cc b/splash/Splash.cc
index 4af39bf..c93ef40 100644
--- a/splash/Splash.cc
+++ b/splash/Splash.cc
@@ -8,6 +8,9 @@
 //
 // 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) 2005-2008 Albert Astals Cid <aacid@kde.org>
 // Copyright (C) 2005 Marco Pesenti Gritti <mpg@redhat.com>
 //
diff --git a/splash/Splash.h b/splash/Splash.h
index 19e31f3..c9d57cc 100644
--- a/splash/Splash.h
+++ b/splash/Splash.h
@@ -8,6 +8,9 @@
 //
 // 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 Marco Pesenti Gritti <mpg@redhat.com>
 // Copyright (C) 2007 Albert Astals Cid <aacid@kde.org>
 //