diff --git a/execution/README.md b/execution/README.md
index ae1c316c297427d261d2b313220b840aba61a6c6..b328a3529735f52e6ff3b493fb470430098ffa59 100644
--- a/execution/README.md
+++ b/execution/README.md
@@ -40,7 +40,7 @@ As with Prometheus, we suggest to create a dedicated Grafana instance. Grafana
 with our default configuration can be installed with Helm:
 
 ```sh
-helm install grafana stable/grafana -f -f infrastructure/grafana/values.yaml
+helm install grafana stable/grafana -f infrastructure/grafana/values.yaml
 ```
 
 The official [Grafana Helm Chart repository](https://github.com/helm/charts/tree/master/stable/grafana)