diff --git a/interop-tests/src/test/scala/akka/grpc/scaladsl/AkkaHttpClientConnectionFailSpec.scala b/interop-tests/src/test/scala/akka/grpc/scaladsl/AkkaHttpClientConnectionFailSpec.scala
index 35a6de02a..04a9a6c95 100644
--- a/interop-tests/src/test/scala/akka/grpc/scaladsl/AkkaHttpClientConnectionFailSpec.scala
+++ b/interop-tests/src/test/scala/akka/grpc/scaladsl/AkkaHttpClientConnectionFailSpec.scala
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2023 Lightbend Inc. <https://www.lightbend.com>
+ */
+
 package akka.grpc.scaladsl
 
 import akka.actor.ActorSystem
diff --git a/runtime/src/main/scala/akka/grpc/internal/SwitchOnCancel.scala b/runtime/src/main/scala/akka/grpc/internal/SwitchOnCancel.scala
index dc3efbace..7e4f56cb5 100644
--- a/runtime/src/main/scala/akka/grpc/internal/SwitchOnCancel.scala
+++ b/runtime/src/main/scala/akka/grpc/internal/SwitchOnCancel.scala
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2009-2023 Lightbend Inc. <https://www.lightbend.com>
  */
+
 package akka.grpc.internal
 
 import akka.stream.Attributes