url.scheme on client

docs/dotnet/dotnet-http-metrics.md

@@ -33,6 +33,7 @@ Notes:
 - Meter name is `System.Net.Http`
 - Metric added in .NET 8.0
 - When `error.type` attribute is reported, it contains one of [HTTP Request errors](https://github.com/dotnet/runtime/blob/main/src/libraries/System.Net.Http/src/System/Net/Http/HttpRequestError.cs), a full exception type, or a string representation of received status code.
+- The [`url.scheme`](../url/url.md) attribute is reported. <!--TODO: why it's not reported on common one?-->
 
 ### Metric: `http.client.open_connections`
 
@@ -244,7 +245,7 @@ Notes:
 - Additional attributes
 
   - The `aspnetcore.request.is_unhandled` boolean attribute is reported when the request was **not** handled by the application pipeline. It's skipped otherwise.
-  - The `exception.type` string attribute is reported if and only if the request ended with an error. It includes full exception type. <-TODO: can we change it to `error.type` ?
+  - The `exception.type` string attribute is reported if and only if the request ended with an error. It includes full exception type. <!--TODO: can we change it to `error.type` ?-->
 
 ### Metric: `http.server.active_requests`