Docs: Fix signature of Service::call
@@ -41,7 +41,7 @@ where
///
/// actix_service::forward_ready!(service);
///
-/// fn call(&self, req: S::Request) -> Self::Future {
+/// fn call(&self, req: Req) -> Self::Future {
/// TimeoutServiceResponse {
/// fut: self.service.call(req),
/// sleep: Sleep::new(clock::now() + self.timeout),
