Add note on Bulgarian currency change

Author: GrantMeStrength

hub/apps/publish/bulgarian-currency.md

@@ -1,11 +1,13 @@
 ---
 description: Bulgarian currency conversion information for Microsoft Store submissions
-title: Bulgarian currency conversion: Developer Update
+title: Bulgarian currency conversion - Developer Update
 ms.date: 12/05/2025
 ms.topic: article
 ms.localizationpriority: medium
 ---
 
+# Bulgarian currency conversion - Developer Update
+
 ## Overview
 
 Important information for developers selling in Bulgarian storefronts.