Update api-management-howto-developer-portal.md

Author: jborsecnik

articles/api-management/api-management-howto-developer-portal.md

@@ -47,7 +47,7 @@ Your API Management service includes a built-in, always up-to-date, **managed**
 
 ## <a name="managed-vs-self-hosted"></a> Options to extend portal functionality
 In some cases you might need functionality beyond the customization and styling options provided in the managed developer portal. If you need to implement custom logic, which isn't supported out-of-the-box, you have [several options](developer-portal-extend-custom-functionality.md):
-* [Add custom HTML](developer-portal-extend-custom-functionality.md#use-custom-html-code-widget) directly through a developer portal widget designed for small customizations - for example, add HTML for a form or to embed a video player. The custom code is rendered in an inline frame (iframe).
+* [Add custom HTML](developer-portal-extend-custom-functionality.md#use-custom-html-code-widget) directly through a developer portal widget designed for small customizations - for example, add HTML for a form or to embed a video player. The custom code is rendered in an inline frame (IFrame).
 * [Create and upload a custom widget](developer-portal-extend-custom-functionality.md#create-and-upload-custom-widget) to develop and add more complex custom portal features.
 * [Self-host the portal](developer-portal-self-host.md), only if you need to make modifications to the core of the developer portal [codebase](https://github.com/Azure/api-management-developer-portal). This option requires advanced configuration. Azure Support's assistance is limited only to the basic setup of self-hosted portals.