Review BGP step and link to most recent API

Author: RebeccaTamachiro

src/content/docs/byoip/get-started-review.mdx

@@ -34,7 +34,7 @@ Overall, the steps can be summarized as follows:
 4. After receiving the LOA, Cloudflare validates the [requirements](#requirements) and provisions the IPs.
 5. (Optional) You can use [Prefix delegations](/byoip/concepts/prefix-delegations/) to share all or part of your prefix with another Cloudflare account.
 6. You use [service bindings](/byoip/service-bindings/)[^1] and [address maps](/byoip/address-maps/)[^2] to control how your IPs are used.
-7. Finally, you configure the [Border Gateway Protocol advertisement](/byoip/concepts/dynamic-advertisement/) for your IPs at the Cloudflare network.
+7. You advertise or withdraw the BGP route for a prefix via the [BGP Prefix API](/api/resources/addressing/subresources/prefixes/subresources/bgp_prefixes/methods/create/).
 
 [^1]: Mappings that control through which pipeline traffic destined for a given IP address will be routed.
 [^2]: Mappings that specify which IP addresses should be used when Cloudflare responds to DNS queries for proxied hostnames.