diff --git a/resources/public/api/conf/common/overview.md b/resources/public/api/conf/common/overview.md
index bd10939d..c8bdacf7 100644
--- a/resources/public/api/conf/common/overview.md
+++ b/resources/public/api/conf/common/overview.md
@@ -1,4 +1,10 @@
-> HMRC is no longer accepting production credential access requests for new 2026–27 quarterly update products, as the market window for these products has now closed.
+<div class="govuk-warning-text warning-icon-fix">
+  <span class="govuk-warning-text__icon warning-icon-ui-fix" aria-hidden="true">!</span>
+  <strong class="govuk-warning-text__text">
+    <span class="govuk-warning-text__assistive">Warning</span>
+    HMRC is no longer accepting production credential access requests for new 2026–27 quarterly update products, as the market window for these products has now closed.
+  </strong>
+</div>
 
 Use the Individuals Charges API to submit, edit and retrieve information about a customer's pension charges.