GITBOOK-1: RC Note

Author: Sofie Toft Kristensen

15/umbraco-ui-builder/README.md

@@ -4,6 +4,14 @@ description: Documentation for Umbraco UI Builder, the backoffice UI builder for
 
 # Umbraco UI Builder Documentation
 
+{% hint style="info" %}
+This is the documentation for the **Umbraco UI Builder 15 Release Candidate**.
+
+This version of the Umbraco UI Builder documentation is slimmed down to contain only new and updated material related to the upcoming release.
+
+:bangbang: Due to the above, some links might reference the GitHub file instead of the GitBook article.
+{% endhint %}
+
 Umbraco UI Builder is the backoffice UI builder for custom data structures configured via a fluent API.
 
 ![Example Umbraco UI Builder UI](images/listview.png)
@@ -16,13 +24,13 @@ With Umbraco UI Builder, custom backoffice integrations can now take a matter of
 
 **This documentation is aimed at developers** who have at least a basic understanding of Umbraco, as well as C#/MVC principles.
 
-If you are new to Umbraco UI Builder, it is recommended that you start by taking a look at the [Getting Started](./getting-started/overview.md) section. This provides details on the system requirements and how to install Umbraco UI Builder.
+If you are new to Umbraco UI Builder, it is recommended that you start by taking a look at the [Getting Started](getting-started/overview.md) section. This provides details on the system requirements and how to install Umbraco UI Builder.
 
-Once you have Umbraco UI Builder installed and are wondering "What next?" then you'll want to take a look at the [Guides](./guides/creating-your-first-integration.md) section. This provides a quick-start example of how to configure Umbraco UI Builder.
+Once you have Umbraco UI Builder installed and are wondering "What next?" then you'll want to take a look at the [Guides](guides/creating-your-first-integration.md) section. This provides a quick-start example of how to configure Umbraco UI Builder.
 
 Use the main menu to dive deeper into Umbraco UI Builder and get to know all of its features in detail. You can then jump to the specific topic you are interested in to find out more.
 
-Finally, for all other resources/useful information you can head over to the [Miscellaneous](./miscellaneous/conventions.md) section.
+Finally, for all other resources/useful information you can head over to the [Miscellaneous](miscellaneous/conventions.md) section.
 
 ## Getting Help