docs: Update docs for viewing subscription invoices (#30443)

Marshall Bowers created

This PR updates the docs for how to access the invoice history for your
account.

Release Notes:

- N/A

Change summary

docs/src/ai/billing.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/ai/billing.md 🔗

@@ -16,7 +16,7 @@ We’ll also bill in-month for additional prompts used beyond your plan’s prom
 
 ## Invoice History {#invoice-history}
 
-You can access your invoice history by navigating to [zed.dev/account](https://zed.dev/account) and clicking [button].
+You can access your invoice history by navigating to [zed.dev/account](https://zed.dev/account) and clicking "Manage" on your subscription.
 
 From Stripe’s secure portal, you can download all current and historical invoices.