fix: multibrand docs (#1762)

docs/kratos/bring-your-own-ui/20_configure-ory-to-use-your-ui.mdx

@@ -36,13 +36,19 @@ SDK Configuration URL.
 You can toggle the "Enable the Account Experience welcome page" setting to hide the default "welcome" screen that isn't intended
 for end-users.
 
-## Multiple custom domains setup
+## Multiple custom domains
 
-Ory Network projects starting with the Scale plan can have multiple custom domains registered. You can add a different custom UI
-base URL of each of the custom domains registered in the project. This allows for a high degree of flexibility, where each of the
-domains serves its own set of UI views that have a common path makeup but different base URL.
+With the _Multibrand_ feature enabled for your workspace, you can add multiple custom domains to each Ory Network project. You can
+add a different custom UI base URL of each of the custom domains registered in the project. This allows for a high degree of
+flexibility, where each of the domains serves its own set of UI views that have a common path makeup but different base URL.
 
-In the real world, this means that you can serve different UI views to customers that interact with different parts of your
+:::info
+
+Interested in the Multibrand feature for your Ory Network project? [We're here to help! ](https://www.ory.sh/contact)
+
+:::
+
+In practical terms, this means that you can serve different UI views to customers that interact with different parts of your
 business, while still allowing them to conveniently use one account that's managed by your Ory Network project.
 
 For example, the ACME Car Parts company has three online storefronts for three different types of automotive products:
@@ -59,8 +65,7 @@ influenced the base paths used for serving UI:
 - carseats.com uses `carseats.com`
 - wipers.com uses `wipers.com/self-service/`
 
-Using their [Growth plan](https://www.ory.sh/pricing/) Ory Network project, ACME creates this setup using the **User Interface**
-view in the Ory Console:
+ACME creates this setup using the **User Interface** view in the Ory Console:
 
 | Site         | Domain                        | Base URL                   |
 | ------------ | ----------------------------- | -------------------------- |
@@ -73,6 +78,11 @@ serves changes depending on the store the user visits which allows for consisten
 ACME's brands. Since these stores are hosted on different domains, the users must sign in and get an Ory Session issued for the
 store's domain when they switch between the storefronts.
 
+It's important to note that while a user can use the same account across multiple domains, they will need to authenticate
+separately on each domain. This is because cookies, including the session cookie issued by Ory, are isolated in the browser per
+domain to prevent cross-site attacks. Therefore, there will be one session per domain. As an alternative for managing multiple
+domains, you can use OpenID Connect. However, even with OpenID Connect, there will still be one session per domain.
+
 ## Development
 
 When developing locally, you can configure Ory Network to use UI views hosted on local machine, for example