Update README

Author: AleMorales

README.md

@@ -1,13 +1,15 @@
 # VPLTutorials
 
 Collection of tutorials for [VPL](https://virtualplantlab.com/dev/). Each tutorial is given
-in two different formats:
+in three different formats:
 
-- As a Julia source file (`.jl`) with documentation as comments.
+- As a Julia source file (`script`) without any comments.
 
-- As a markdown file (`.md`). VS Code may be used to render it but also execute the code in each cell if the Julia extension is installed.
+- As a markdown file (`markdown`). VS Code may be used to render it but also execute the code in each cell if the Julia extension is installed.
 
-In addition to VPL, the tutorials some of the require the following packages:
+- As a Jupyter notebook (`notebook`). These may be used with the package IJulia.
+-
+In addition to VirtualPlantLab.jl, some of the tutorials may require the following packages:
 
 - [SkyDomes.jl](https://github.com/VirtualPlantLab/SkyDomes.jl)
 - [Ecophys.jl](https://github.com/VirtualPlantLab/Ecophys.jl)