[devel] Revise references to zlib-libpng license
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index e2f8ad5..e264609 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -4,7 +4,8 @@
 # Copyright (C) 1996, 1997 Andreas Dilger
 #
 # 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
 
 # Library name:
 LIBNAME = libpng14