diff --git a/README.txt b/README.txt
index 54389e2..b5571b9 100644
--- a/README.txt
+++ b/README.txt
@@ -1,6 +1,7 @@
 Examples for Minetest Modding Book
 ==================================
 
-Each chapter is a mod pack. As modpacks can't contain modpacks,
-you need to take all of these folders and install them into the mod location.
+Some of the chapter folders are modpacks. As the mod configurator (eg: configure
+on world select) doesn't support modpacks in modpacks, you need to take out all
+of these folders and install them into the mod location.
 For example, minetest/mods/1_folders and minetest/mods/3_nodes_items_crafting