diff --git a/main/src/main/scala/sbt/internal/CustomHttp.scala b/main/src/main/scala/sbt/internal/CustomHttp.scala
index c62cce702..bc9a12ae2 100644
--- a/main/src/main/scala/sbt/internal/CustomHttp.scala
+++ b/main/src/main/scala/sbt/internal/CustomHttp.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal
 
 import sbt.internal.librarymanagement.{ CustomHttp => LMCustomHttp }