Update limits.mdx

Author: thomasgauvin

src/content/docs/kv/platform/limits.mdx

@@ -10,6 +10,8 @@ sidebar:
 
 import { Render } from "~/components"
 
+Workers KV is available to both the Free and Paid Workers plans. See [pricing](/kv/platform/pricing/) for more details. These are the limits that apply to a Cloudflare account:
+
 | Feature                           | Free                  | Paid         |
 | --------------------------------- | --------------------- | ------------ |
 | Reads                             | 100,000 reads per day | Unlimited    |