Update limits.mdx

Author: kathayl

src/content/docs/browser-rendering/platform/limits.mdx

@@ -12,6 +12,10 @@ import { Render, Plan } from "~/components";
 
 ## Workers Free
 
+Users on the [Workers Free plan](https://developers.cloudflare.com/workers/platform/plans/#free) are limited to **10 minutes of browser rendering usage per day**.
+
+To increase this limit, you’ll need to [upgrade to a Workers Paid plan](https://developers.cloudflare.com/workers/platform/plans/#paid).
+
 | Feature                                | Limit           |
 | -------------------------------------- | --------------- |
 | Concurrent browsers per account (Workers Binding API only)        | 3 per account   |