minor

README.md

@@ -14,7 +14,7 @@ you can run the tool as following:
 
 ```bash
 acme-downloader --vault-token=<VAULT-TOKEN> --redis-token=<REDIS_TOKEN> \
---cert-name=foo-ev-cert.geant.org --team-name=swd
+    --cert-name=foo-ev-cert.geant.org --team-name=swd
 ```
 
  or check all the option using `--help`: