modify demo tip

Author: vy-ton

src/content/docs/d1/best-practices/read-replication.mdx

@@ -16,7 +16,7 @@ To checkout D1 read replication, deploy the following Worker code using Sessions
    [![Deploy to Cloudflare](https://deploy.workers.cloudflare.com/button)](https://deploy.workers.cloudflare.com/?url=https://github.com/cloudflare/templates/tree/main/d1-starter-sessions-api-template)
 
 :::note[Tip: Place your database further away for the read replication demo]
-To simulate how read replication can improve a worst case latency scenario, set your D1 database location hint to be in a farther away region.
+To simulate how read replication can improve a worst case latency scenario, set your D1 database location hint to be in a farther away region. For example, if you are in Europe create your database in Western North America (WNAM).
 :::
 
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