diff --git a/README.md b/README.md
index 370d260..cce7870 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,11 @@ The following parameters are supported by the plugin:
 - `-t SECONDS` or `--timeout SECONDS`: specify the timeout of the request in
   `SECONDS` seconds
 - `-S` or `--https`: connect using HTTPS
-- `-A` or `--apikey`: API key for HTTP endpoints
+- `-A APIKEY` or `--apikey APIKEY`: specify the API key as `APIKEY` for HTTP endpoints
 
 Note that if running on LibreNMS in the official Docker container, then you must
 first install the `requests` module by running `apk add py3-requests` inside the
 container. The full command, assuming your container is named `librenms`, is
-`docker exec -it librenms apk add py3-requests`.
+```
+docker exec -it librenms apk add py3-requests
+```