diff --git a/akka-actor-typed-tests/src/test/scala/akka/actor/typed/internal/ActorRefSerializationSpec.scala b/akka-actor-typed-tests/src/test/scala/akka/actor/typed/internal/ActorRefSerializationSpec.scala
index d1e2e40437..d6054efb84 100644
--- a/akka-actor-typed-tests/src/test/scala/akka/actor/typed/internal/ActorRefSerializationSpec.scala
+++ b/akka-actor-typed-tests/src/test/scala/akka/actor/typed/internal/ActorRefSerializationSpec.scala
@@ -1,6 +1,6 @@
 /**
-  * Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
-  */
+ * Copyright (C) 2009-2018 Lightbend Inc. <https://www.lightbend.com>
+ */
 package akka.actor.typed.internal
 
 import akka.actor.typed.scaladsl.Behaviors