diff --git a/scripts/makefile.gcc b/scripts/makefile.gcc
index a7c4548..16bdf96 100644
--- a/scripts/makefile.gcc
+++ b/scripts/makefile.gcc
@@ -4,7 +4,8 @@
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 #
 # This code is released under the zlib-libpng license.
-# For conditions of distribution and use, see copyright notice in png.h
+# For conditions of distribution and use, see copyright notice, disclaimer,
+# and license in png.h
 
 # Location of the zlib library and include files
 ZLIBINC = ../zlib