[devel] Revise references to zlib/libpng license
diff --git a/scripts/makefile.gcc b/scripts/makefile.gcc
index 7e05743..66af3b8 100644
--- a/scripts/makefile.gcc
+++ b/scripts/makefile.gcc
@@ -4,7 +4,7 @@
# 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, disclaimer,
+# For conditions of distribution and use, see the disclaimer
# and license in png.h
# Location of the zlib library and include files