rate limit update

Author: russbiggs

src/content/docs/using-the-api/rate-limits.mdx

@@ -13,7 +13,8 @@ import FeedbackForm from '../../../components/FeedbackForm.astro';
 import { Icon, Aside } from '@astrojs/starlight/components';
 
 OpenAQ limits the number of API requests you can make in a set time to ensure
-fair access for all users and prevent overuse.
+fair access for all users and prevent overuse. API rate limits are scoped to 
+the user API key.
 
 OpenAQ provides a very generous rate limit. If your needs exceed this rate
 limit, we offer a custom pricing option for a higher rate limit.