Update Overview.md

Author: Edithabich

angular/Listview/Overview.md

@@ -11,7 +11,7 @@ documentation: ug
 
 The Essential Angular ListView component builds interactive ListView interface. This control allows you to select an item from a list-like interface and display a set of data items in different layouts or views. Lists are used for displaying data, data navigation, result lists, and data entry.
 
-### Key Features
+## Key Features
 
 AJAX Load: Loads AJAX content in the ListView content.