add missing tip style

Author: yordan-mitev

components/dropdownlist/overview.md

@@ -104,7 +104,7 @@ The following parameters enable you to customize the [appearance]({%slug dropdow
 
 @[template](/_contentTemplates/dropdowns/features.md#styling)
 
->To learn more about the appearance, anatomy, and accessibility of the DropDownList, visit the [Progress Design System documentation](https://www.telerik.com/design-system/docs/components/dropdownlist/)—an information portal offering rich component usage guidelines, descriptions of the available style variables, and globalization support details.
+>tip To learn more about the appearance, anatomy, and accessibility of the DropDownList, visit the [Progress Design System documentation](https://www.telerik.com/design-system/docs/components/dropdownlist/)—an information portal offering rich component usage guidelines, descriptions of the available style variables, and globalization support details.
 
 ### Popup Settings