Update integration-guides/flutterflow-+-powersync.mdx

Author: benitav

integration-guides/flutterflow-+-powersync.mdx

@@ -18,6 +18,8 @@ Key improvements are:
 * Streamlined Setup
 * No more dozens of custom actions
 * Working Attachments package (Coming soon)
+
+Note that using libraries in FlutterFlow requires a [paid plan](https://www.flutterflow.io/pricing). If this is not an option for you, you can use our [legacy guide]((/integration-guides/flutterflow-+-powersync/powersync-+-flutterflow-legacy)) with custom code to integrate PowerSync in your FlutterFlow project.
 </Tip>
 
 ## Guide Overview