lib/opentelemetry/instrumentation/rack/middlewares/tracer_middleware.rb in opentelemetry-instrumentation-rack-0.20.1 vs lib/opentelemetry/instrumentation/rack/middlewares/tracer_middleware.rb in opentelemetry-instrumentation-rack-0.20.2

@@ -149,10 +149,10 @@
               "HTTP #{env['REQUEST_METHOD']}"
             end
           end
 
           def set_attributes_after_request(span, status, headers, _response)
-            span.status = OpenTelemetry::Trace::Status.error unless (100..399).include?(status.to_i)
+            span.status = OpenTelemetry::Trace::Status.error unless (100..499).include?(status.to_i)
             span.set_attribute('http.status_code', status)
 
             # NOTE: if data is available, it would be good to do this:
             # set_attribute('http.route', ...
             # e.g., "/users/:userID?