Update README.md

Author: gaborbernat

README.md

@@ -10,7 +10,8 @@
 black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat-square)](https://github.com/psf/black)
 
 Render CLI arguments (sub-commands friendly) defined by the argparse module. For live demo checkout the documentation of
-[tox](https://tox.readthedocs.io/en/rewrite/cli_interface.html) and
+[tox](https://tox.readthedocs.io/en/rewrite/cli_interface.html),
+[python-build](https://pypa-build.readthedocs.io/en/latest/#python-m-build) and
 [mdpo](https://mdpo.readthedocs.io/en/latest/cli.html#command-line-interfaces).
 
 ## installation