diff --git a/README.md b/README.md
index b550c7e..d9a76fb 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,9 @@ TFW consists of 3 repositories:
 
 See the documentation of each in their `README.md` files.
 
+Note that before getting started with TFW you should already know how to create simpler Avatao challenges.
+To learn about Avatao challenge creation in general please consult the [challenge-toolbox](https://github.com/avatao-content/challenge-toolbox) repository.
+
 To learn the stuff you need to know about TFW in order to get started you should consult the [baseimage-tutorial-framework](https://github.com/avatao-content/baseimage-tutorial-framework) repo first.
 
 Getting started with creating challenges using the framework – *setting up a development environment, building, running and such* – is documented here.