[devel] Revise references to zlib-libpng license
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 3e2bd9c..54f0c41 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -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
# Modified for Debian by Junichi Uekawa and Josselin Mouette
# Major modifications are:
