ASP.NET Core does not collect metadata from XML doc comments. (#35257)

* ASP.NET Core does not collect metadata from XML doc comments.

* Update aspnetcore/fundamentals/openapi/include-metadata.md

Co-authored-by: Mike Kistler <[email protected]>

* Update aspnetcore/fundamentals/openapi/include-metadata.md

* Update aspnetcore/fundamentals/openapi/include-metadata.md

* Update aspnetcore/fundamentals/openapi/include-metadata.md

---------

Co-authored-by: Mike Kistler <[email protected]>

Author: Rick-Anderson

aspnetcore/fundamentals/openapi/include-metadata.md

@@ -33,7 +33,7 @@ The following table provides an overview of the metadata collected and the strat
 | responses | [`[Produces]`](xref:Microsoft.AspNetCore.Mvc.ProducesAttribute) | <xref:Microsoft.AspNetCore.Http.OpenApiRouteHandlerBuilderExtensions.Produces%2A>, <xref:Microsoft.AspNetCore.Http.OpenApiRouteHandlerBuilderExtensions.ProducesProblem%2A> | <xref:Microsoft.AspNetCore.Http.TypedResults> |
 | Excluding endpoints | [`[ExcludeFromDescription]`](xref:Microsoft.AspNetCore.Routing.ExcludeFromDescriptionAttribute), [`[ApiExplorerSettings]`](xref:Microsoft.AspNetCore.Mvc.ApiExplorerSettingsAttribute) | <xref:Microsoft.AspNetCore.Http.OpenApiRouteHandlerBuilderExtensions.ExcludeFromDescription%2A> | |
 
-ASP.NET Core does not collect metadata from XML doc comments.
+ASP.NET Core can also collect metadata from XML doc comments. For more information, see <xref:fundamentals/openapi/aspnet-openapi-xml> for more details.
 
 The following sections demonstrate how to include metadata in an app to customize the generated OpenAPI document.
 
@@ -677,4 +677,4 @@ A schema transformer can be used to override any default metadata or add additio
 
 [!INCLUDE[](~/fundamentals/openapi/includes/include-metadata9.md)]
 
-:::moniker-end
+:::moniker-end