diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -19,7 +19,8 @@ Two JavaScript-only modules are also provided:
 | [Edge](https://x-govuk.github.io/govuk-prototype-components/edge/) | Define the edges of your prototype for research. |
 | [Warn on unsaved changes](https://x-govuk.github.io/govuk-prototype-components/warn-on-unsaved-changes/) | Warn users if they try to leave a page without saving changes to a form. |
 
-> **Note** Prior to v1.0.0, this project included a collection of decorated form components. These can now be found in the [`govuk-decorated-components`](https://github.com/x-govuk/govuk-decorated-components) package.
+> [!NOTE]\
+> Prior to v1.0.0, this project included a collection of decorated form components. These can now be found in the [`govuk-decorated-components`](https://github.com/x-govuk/govuk-decorated-components) package.
 
 ## Requirements