Fix nebari link in readme (#17)

Author: ianthomas23

README.md

@@ -14,7 +14,7 @@ This is helpful if you can't access mybinder.org, or if you want to
 
 ## Setup with Nebari for Scipy 2023
 
-This tutorial is being presented live at SciPy 2023, where you can use Nebari (JupterHub) hosted at [scipy.quansight.dev](https://http://scipy.quansight.dev/) to follow along. 
+This tutorial is being presented live at SciPy 2023, where you can use Nebari (JupterHub) hosted at [scipy.quansight.dev](https://scipy.quansight.dev/) to follow along.
 
 Follow [this participant's guide](https://docs.google.com/document/d/1vnWhNyUBRpILb2MAHQfTmZQY3pCIaCmroV9ke49nQlE/edit) to register and sign-in at, and use the following link to clone the tutorial materials: