diff --git a/lib/isc/string.c b/lib/isc/string.c
index 6e3e587c4a..eec2f1b346 100644
--- a/lib/isc/string.c
+++ b/lib/isc/string.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2000  Internet Software Consortium.
+ * Copyright (C) 1999, 2000  Internet Software Consortium.
  * 
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above