diff --git a/aspnetcore/mvc/controllers/routing.md b/aspnetcore/mvc/controllers/routing.md
index 9bdf38a301..c80b23fc92 100644
--- a/aspnetcore/mvc/controllers/routing.md
+++ b/aspnetcore/mvc/controllers/routing.md
@@ -87,10 +87,11 @@ Replaces:
 endpoints.MapControllerRoute("default", "{controller=Home}/{action=Index}/{id?}");
 ```
 
-Routing is configured using the <xref:Microsoft.AspNetCore.Builder.EndpointRoutingApplicationBuilderExtensions.UseRouting*> and <xref:Microsoft.AspNetCore.Builder.EndpointRoutingApplicationBuilderExtensions.UseEndpoints*> middleware. To use controllers:
-
-* Call <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapControllers*> inside `UseEndpoints` to map [attribute routed](#ar) controllers.
-* Call <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapControllerRoute*> or <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapAreaControllerRoute*>, to map [conventionally routed](#cr) controllers.
+> [!IMPORTANT]
+> Routing is configured using the <xref:Microsoft.AspNetCore.Builder.EndpointRoutingApplicationBuilderExtensions.UseRouting*> and <xref:Microsoft.AspNetCore.Builder.EndpointRoutingApplicationBuilderExtensions.UseEndpoints*> middleware. To use controllers:
+>
+> * Call <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapControllers*> inside `UseEndpoints` to map [attribute routed](#ar) controllers.
+> * Call <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapControllerRoute*> or <xref:Microsoft.AspNetCore.Builder.ControllerEndpointRouteBuilderExtensions.MapAreaControllerRoute*>, to map [conventionally routed](#cr) controllers.
 
 <a name="routing-conventional-ref-label"></a>
 <a name="crd"></a>