diff --git a/src/content/docs/workers/configuration/previews.mdx b/src/content/docs/workers/configuration/previews.mdx
index 0b0baa9de292b9..e5e6ac70268513 100644
--- a/src/content/docs/workers/configuration/previews.mdx
+++ b/src/content/docs/workers/configuration/previews.mdx
@@ -73,3 +73,4 @@ Preview URLs run on your [`workers.dev` subdomain](/workers/configuration/routin
 
 - Preview URLs are not generated for Workers that implement a [Durable Object](/durable-objects/).
 - Preview URLs are not currently generated for [Workers for Platforms](/cloudflare-for-platforms/workers-for-platforms/) [user Workers](/cloudflare-for-platforms/workers-for-platforms/reference/how-workers-for-platforms-works/#user-workers). This is a temporary limitation, we are working to remove it.
+- You cannot currently configure Preview URLs to run on a subdomain other than [`workers.dev`](/workers/configuration/routing/workers-dev/).