diff --git a/README.md b/README.md
index 5a01ba9..3c41c5a 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@ ts-prometheus/
 │   ├── tailscale-data/             # Persistent Tailscale state
 │   └── config/                     # Tailscale configuration files
 └── prometheus/
-    ├── prometheus/
     │   └── etc/
     │       └── prometheus/         # Prometheus configuration files
     └── data/                       # Prometheus data
@@ -33,7 +32,7 @@ ts-prometheus/
    ```
 2. Create Required Directories
     ```bash
-    mkdir -p tailscale/tailscale-data
+    mkdir -p tailscale/tailscale-data prometheus/data
     ```
 3. Configure Tailscale
     - Replace `{{YOUR_TAILSCALE_AUTHKEY}}` in the docker-compose.yml with your actual Tailscale auth key