diff --git a/README.md b/README.md
index 93297f7..18f3dde 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ public function registerBundles()
 
 ## Configuration
 
-Add following configuration lines to `config.yml` file.
+Add following configuration lines to `config.yml` file (`/config/config.yaml` in symfony 5).
 
 ```yaml
 # app/config/config.yml