diff --git a/README.md b/README.md
index e40206fe49..593c76cdc6 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ Come chat with the community in the dedicated Matrix [room](https://matrix.to/#/
 ## Build instructions
 
 Just clone the project and open it in Android Studio.
+Makes sure to select the `app` configuration when building (as we also have sample apps in the project).
 
 ## Support