diff --git a/Setting-up-Mapbase.md b/Setting-up-Mapbase.md
index 996297b..c5c5710 100644
--- a/Setting-up-Mapbase.md
+++ b/Setting-up-Mapbase.md
@@ -30,6 +30,8 @@ After installing Mapbase itself, you must have three things to use it with Hamme
 
 ### Custom game config
 
+You must create your own custom game configuration for the mod you are mapping for.
+
 The custom game config tells Hammer what game/mod you're mapping for. For example, this is what a custom game config for `mapbase_episodic` looks like:
 
 ![image](https://user-images.githubusercontent.com/19228257/86517032-3d33f180-bdeb-11ea-9e7f-09335821ee23.png)