diff --git a/README.md b/README.md
index 78bdff9..b664a32 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ As such they can be viewed in a plain web browser:
 
 - [00 - Start up](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/00_start_up.ipynb)
 - [01 - Elements of a Program](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/01_elements_of_a_program.ipynb)
+- [02 - Functions & Modularization](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/02_functions.ipynb)
 
 However, it is recommended that students **install Python and Jupyter
 locally** and run the code in the notebooks on their own.