diff --git a/prometheus-grafana/README.md b/prometheus-grafana/README.md
index cdd7bfb..c64e431 100644
--- a/prometheus-grafana/README.md
+++ b/prometheus-grafana/README.md
@@ -12,7 +12,7 @@ Project structure:
 └── README.md
 ```
 
-[_docker-compose.yaml_](docker-compose.yaml)
+[_docker-compose.yml_](docker-compose.yml)
 ```
 version: "3.7"
 services: