Update index.md

docs/en/framework/ui/index.md

@@ -7,11 +7,11 @@
 
 # ABP UI Options
 
-ABP provides several options for building the user interface (UI) in your applications. Here are some of the officially supported UI options you can use with ABP:
+ABP provides several options for building the user interface (UI) in your applications. React is part of the **modern template system**. Here are some of the officially supported UI options you can use with ABP:
 
 * [React](./react/index.md) *(modern template system only)*
 * [MVC / Razor Pages](./mvc-razor-pages/overall.md)
 * [Blazor](./blazor/overall.md)
 * [Angular](./angular/quick-start.md)
 * [React Native](./react-native/index.md)
-* [MAUI](./maui/index.md)
+* [MAUI](./maui/index.md)