diff --git a/aatree.h b/aatree.h
index 62ae26e..36401e3 100644
--- a/aatree.h
+++ b/aatree.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2024, Peter McGoron
+/* Copyright (c) 2024, Peter McGoron (v0.1)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions