diff --git a/README.md b/README.md
index 03da293..95597c9 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ To use the IonosDynamicDNSUpdater, follow these steps:
 ### Using Docker Compose
 
 1. Create an API token in Ionos.
-2. Replace the placeholder values in `appsettings.json` with your Ionos API token and the hostname for the DNS record you want to update.
+2. Replace the placeholder values in `docker-compose.yml` with your Ionos API token and the hostname for the DNS record you want to update.
 3. Start the services using `docker-compose up -d`.
 
 ## Contributing