[devel] Revise references to zlib-libpng license
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index b550bb8..4595f73 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -5,7 +5,8 @@
 # Copyright (C) 2007, 2009 Glenn Randers-Pehrson
 #
 # 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
 
 # You should also run makefile.netbsd