refined language

Author: marciocloudflare

src/content/partials/network-interconnect/bgp-peering.mdx

@@ -45,6 +45,6 @@ If you already have set up your Cloudflare account ASN, you can skip steps two a
 5. Find the Direct CNI interconnect you want to configure with BGP > select the **three dots** next to it > **Configure BGP**.
 6. In **Customer device ASN**, enter the ASN for your network.
 7. In **MD5 key**, you can optionally enter the key for your network. Note that this is meant to prevent accidental misconfigurations, and is not a security mechanism.
-8. In **Advertised prefix list**, input the inside IP tunnel addresses automatically assigned by Cloudflare during the creation of the CNI interconnect.
+8. (Optional) In **Advertised prefix list**, input the additional static prefixes automatically assigned by Cloudflare during the creation of the CNI interconnect, to advertise alongside your existing routes. Leave blank if you do not want to advertise extra routes.
 9. Select **Enable BGP**.