diff --git a/README.md b/README.md
index ba6ff1c..ad82cec 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 <p align="center">
   <img src="https://raw.githubusercontent.com/donnemartin/data-science-ipython-notebooks/master/images/coversmall.png">
+  Graphs from <a href="https://github.com/jakevdp/sklearn_pycon2015">PyCon 2015 Scikit-learn Tutorial</a>
 </p>
 
 # data-science-ipython-notebooks
diff --git a/images/coversmall.png b/images/coversmall.png
index a4f5e48..c802e2a 100644
Binary files a/images/coversmall.png and b/images/coversmall.png differ