diff --git a/src/a2time.h b/src/a2time.h
index a7ea1f60..c430b5b3 100644
--- a/src/a2time.h
+++ b/src/a2time.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *