diff --git a/README.md b/README.md
index 458654f72fd73c6c2c5691a89b6db3deb9737769..7031bd2ab7ce733475fdfaeb3ffbf52197bddcc0 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,8 @@ with the following options:
     `git pull origin master`
 5. Just before the workshop, update the folder by pulling the changes (same
 command as in Step 4).
+6. Skim [python_vs_matlab.pdf](https://gitlab.windenergy.dtu.dk/python-at-risoe/scientific-python-workshops/2-getting-started/blob/master/python_vs_matlab.pdf)
+and make sure you understand the basics of array creation and slicing.
 
 ## Contact