diff --git a/README.md b/README.md
index 91f52ac..3c25605 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ git clone https://github.com/seaweedfs/seaweedfs-csi-driver.git
 ```
 2. Install
 ```bash
-helm install seaweedfs-csi-driver ./seaweedfs-csi-driver/deploy/helm/seaweedfs-csi-driver
+helm install --set seaweedfsFiller=<url to filler host:port> seaweedfs-csi-driver ./seaweedfs-csi-driver/deploy/helm/seaweedfs-csi-driver
 ```
 
 3. Clean up