diff --git a/platform-includes/crons/setup/javascript.nextjs.mdx b/platform-includes/crons/setup/javascript.nextjs.mdx
index 1ee5e0d0dae20..0f6442a455cb3 100644
--- a/platform-includes/crons/setup/javascript.nextjs.mdx
+++ b/platform-includes/crons/setup/javascript.nextjs.mdx
@@ -7,6 +7,10 @@ Instrumented cron jobs are decided at runtime by examining the `crons` field in
Set the `automaticVercelMonitors` option to `true` in your Sentry settings in `next.config.js`. See Manual Setup for more details.
+
+Automatic instrumentation of Vercel cron jobs currently only works for the Pages Router. App Router route handlers are not yet supported.
+
+
## Automatic Crons Instrumentation