diff --git a/reference/04-using-myst.md b/reference/04-using-myst.md
index 6193788..c88a7eb 100644
--- a/reference/04-using-myst.md
+++ b/reference/04-using-myst.md
@@ -4,7 +4,7 @@
 
 ### Building your site for the first time
 
-Every MyST site must have a `myst.yml` config file that defines the project.
+Every MyST site must have a `myst.yml` config file that defines the project. For this workshop, the file is located in the root directory of the repository.
 
 Right-click this file in the file browser and select the first item on the context menu:
 "Build MyST Project".