Update README.md

Author: adelavega

README.md

@@ -18,7 +18,7 @@ Use `pip` to install it:
 ### Quickstart
 For a tutorial on how to build an analysis, see this Jupyter Notebook: https://github.com/neuroscout/pyNS/blob/master/examples/Tutorial.ipynb
 
-We are assuming you already have valid Neuroscout API credentials (and if you dont, sign up at: `alpha.neuroscout.org`)
+We are assuming you already have valid Neuroscout API credentials (and if you dont, sign up at: `neuroscout.org`)
 
 First, instantiate a Neuroscout API Client object: