diff --git a/sbt/src/test/scala/sbt/RunFromSourceMain.scala b/sbt/src/test/scala/sbt/RunFromSourceMain.scala
index 0394772b3..be79cc54a 100644
--- a/sbt/src/test/scala/sbt/RunFromSourceMain.scala
+++ b/sbt/src/test/scala/sbt/RunFromSourceMain.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2017, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under BSD-3-Clause license (see LICENSE)
+ */
+
 package sbt
 
 import scala.annotation.tailrec