diff --git a/index.Rmd b/index.Rmd
index 04db52f..183e6fe 100644
--- a/index.Rmd
+++ b/index.Rmd
@@ -48,7 +48,7 @@ We recommend refreshing your R and Python knowledge before the course with
# Week 4
#### [Tutorial 8: Python Environments](https://geoscripting-wur.github.io/pythonEnvs/)
-#### [Tutorial 9: Python Programming](https://geoscripting-wur.github.io/pythonRefresher/)
+#### [Tutorial 9: Python Programming](https://geoscripting-wur.github.io/pythonProgramming/)
#### Assignment 2
# Week 5
@@ -67,5 +67,6 @@ We recommend refreshing your R and Python knowledge before the course with
# Extra and optional
#### [Intro to vector](https://geoscripting-wur.github.io/IntroToVector/)
#### [Geoscripting in R: demos](https://geoscripting-wur.github.io/Scripting4Geo/)
+#### [Google Earth Engine](https://geoscripting-wur.github.io/Python-GEE/)
Geoscripting course material is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
diff --git a/index.html b/index.html
index 1d81a28..86f6d00 100644
--- a/index.html
+++ b/index.html
@@ -839,7 +839,7 @@