diff --git a/src/util.d b/src/util.d
index a21612b..721da31 100644
--- a/src/util.d
+++ b/src/util.d
@@ -2,7 +2,7 @@
  * File util.d
  * Fast implementation on X86_64, portable algorithm for other platform
  * of some bit functions.
- * © 2017 Richard Delorme
+ * © 2017-2018 Richard Delorme
  */
 
 module util;