Small fix

Author: timeu

README.md

@@ -13,6 +13,7 @@ To open these notebooks in Jupyter, download the files to a directory on your co
 Online read-only versions
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+
 Use the following links:
 
 * [Lecture-0 Setup of Python Environment](http://nbviewer.ipython.org/urls/raw.github.com/timeu/gwas-lecture/master/Lecture-0-Setup-of-Python-Environment.ipynb)