diff --git a/contrib/visupng/PngFile.c b/contrib/visupng/PngFile.c
index b5e1259b..6154ce23 100644
--- a/contrib/visupng/PngFile.c
+++ b/contrib/visupng/PngFile.c
@@ -5,8 +5,8 @@
 // Copyright 2000, Willem van Schaik.
 //
 // This code is released under the libpng license.
-// For conditions of distribution and use, see the
-// copyright/license/disclaimer notice in png.h
+// For conditions of distribution and use, see the disclaimer
+// and license in png.h
 
 #include <windows.h>
 #include <commdlg.h>
diff --git a/contrib/visupng/PngFile.h b/contrib/visupng/PngFile.h
index a900fd4f..f695811c 100644
--- a/contrib/visupng/PngFile.h
+++ b/contrib/visupng/PngFile.h
@@ -2,8 +2,11 @@
 //  PNGFILE.H -- Header File for pngfile.c
 //------------------------------------------
 
-// Copyright 2000, Willem van Schaik.  For conditions of distribution and
-// use, see the copyright/license/disclaimer notice in png.h
+// Copyright 2000, Willem van Schaik.
+
+// This code is released under the libpng license.
+// For conditions of distribution and use, see the disclaimer
+// and license in png.h
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/contrib/visupng/README.txt b/contrib/visupng/README.txt
index deee654d..4047119a 100644
--- a/contrib/visupng/README.txt
+++ b/contrib/visupng/README.txt
@@ -4,8 +4,8 @@ Microsoft Developer Studio Build File, Format Version 6.00 for VisualPng
 Copyright 2000, Willem van Schaik.
 
 This code is released under the libpng license.
-For conditions of distribution and use, see the
-copyright/license/disclaimer notice in png.h
+For conditions of distribution and use, see the disclaimer
+and license in png.h
 
 As a PNG .dll demo VisualPng is finished. More features would only hinder
 the program's objective. However, further extensions (like support for other 
diff --git a/contrib/visupng/VisualPng.c b/contrib/visupng/VisualPng.c
index 11923848..2018999a 100644
--- a/contrib/visupng/VisualPng.c
+++ b/contrib/visupng/VisualPng.c
@@ -3,10 +3,10 @@
 //------------------------------------
 
 // Copyright 2000, Willem van Schaik.
-//
+
 // This code is released under the libpng license.
-// For conditions of distribution and use, see the
-// copyright/license/disclaimer notice in png.h
+// For conditions of distribution and use, see the disclaimer
+// and license in png.h
 
 // switches