adding author

Author: CamDavidsonPilon

README.md

@@ -22,7 +22,7 @@ Contents
 (This is all rendered via the *nbviewer* is is read-only. Editable notebooks + examples can be downloaded too by forking! )
 
 
-* [**Prologue.**](http://nbviewer.ipython.org/urls/raw.github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/master/Prolouge/Prolouge.ipynb) Why we do it.
+* [**Prologue.**](http://nbviewer.ipython.org/urls/raw.github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/master/Prologue/Prologue.ipynb) Why we do it.
 
 * [**Chapter 1: Introduction to Bayesian Methods**](http://nbviewer.ipython.org/urls/raw.github.com/CamDavidsonPilon/Probabilistic-Programming-and-Bayesian-Methods-for-Hackers/master/Chapter1_Introduction/Chapter1_Introduction.ipynb)
     Introduction to the philosophy and practice of Bayesian methods and answering the question "What is probabilistic programming?" Examples include:
@@ -88,6 +88,7 @@ Thanks to all our contributing authors, including (in chronological order):
 -  [Cameron Davidson-Pilon](http://www.camdp.com)
 -  [Stef Gibson](http://stefgibson.com)
 -  [Vincent Ohprecio](http://bigsnarf.wordpress.com/)
+-  Lars Buitinck