Revise wording

Author: brianspiering

README.md

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 # Bayesian Data Analysis Python Demos
-[![Binder](http://mybinder.org/badge.svg)](http://mybinder.org/repo/avehtari/BDA_py_demos) Run the notebooks interactively in the browser.
+[![Binder](http://mybinder.org/badge.svg)](http://mybinder.org/repo/avehtari/BDA_py_demos) to interactively run the IPython Notebooks in the browser.
 
 This repository contains some Python demos for the book [Bayesian Data
 Analysis, 3rd ed by Gelman, Carlin, Stern, Dunson, Vehtari, and Rubin (BDA3)](http://www.stat.columbia.edu/~gelman/book/).