1 files changed, 4 insertions, 0 deletions
diff --git a/util.go b/util.go
index e23829d..3ce4f84 100644
--- a/util.go
+++ b/util.go
@@ -1,3 +1,7 @@
+// Copyright 2019 Nick White.
+// Use of this source code is governed by the GPLv3
+// license that can be found in the LICENSE file.
+
 package preproc
 
 import (