README.md

@@ -89,7 +89,7 @@ If you want to send web notifications on each new contrib, install
     WEBHOOK_URL = 'https://<domain>/<path>'
     WEBHOOK_KEY = '<secret>'
 
-Then, on each contrib, an HTTP POST request wil be made to `WEBHOOK_URL` with json dict containing `'key': WEBHOOK_KEY`
+Then, on each contrib, an HTTP POST request wil be made to `WEBHOOK_URL` with a json dict containing `'key': WEBHOOK_KEY`
 and the notification as `'text'`.
 
 ### Data expiration