diff --git a/README.md b/README.md
index f5d8e98..3bb95f2 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,11 @@ Scratch content is stored on disk gzip-compressed transparently to reduce filesy
    - `cp config.example.yaml config.yaml`
 2. Adjust settings for your environment.
 3. Start the server:
-   - `go run ./cmd/scratchbox server -config config.yaml`
+   - `go run ./cmd/scratchbox server --config config.yaml`
 4. Open:
    - `http://127.0.0.1:8080/`
 
-Without `-config`, built-in defaults are used.
+Without `--config`, built-in defaults are used.
 
 ## Configuration