Update README.md

Author: glentner

README.md

@@ -10,12 +10,13 @@ Python 201: Building Better Scientific Software in Python
 This website provides a tutorial on building better scientific software in Python. It was
 developed over time, by multiple people, and has been delivered in multiple formats and venues.
 
-The tutorial is built as a Sphinx website and is hosted at
-[glentner.github.io/python201](https://glentner.github.io/python201)
+The tutorial materials are a Sphinx site hosted at
+[python-tutorial.dev/201](https://python-tutorial.dev/201)
+
 
 ## Contributors ✨
 
-Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+Thanks go to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
 <!-- prettier-ignore-start -->
@@ -34,4 +35,4 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification.
-Contributions of any kind welcome!
+Contributions of any kind welcome!