small typo

api-reference/headless-portal.mdx

@@ -4,7 +4,7 @@ description: 'Give your customers visibility over their support requests.'
 ---
 
 <Warning>
-Headless Portal support is only available in our custom pricing tier. If you are interested in using this feature please reach out to use on [email protected].
+Headless Portal support is only available in our [Scale pricing tier](https://plain.com/pricing). If you are interested in using this feature please reach out to use on [email protected].
 
 When building a headless support portal, you will have access to our engineering team, who can advise and help you. These docs are primarily intended to give you a high-level overview of how the process works. They do not aim to be exhaustive or self-serve.
 
@@ -28,6 +28,8 @@ If you have leaked an API key by mistake, immediately delete it from your worksp
 
 ### How does it work
 
+<Note>It's very helpful to first read our [data model documentation](/docs/data-model) to get your bearings.</Note>
+
 Details can vary depending on the experience you'd like to offer but in essence to build a portal you have 4 separate piece of work:
 
 1. Creating a tenant for each of your customers in Plain