diff --git a/doc/ar65.sgml b/doc/ar65.sgml
index fa11cddb0..0a55a08c0 100644
--- a/doc/ar65.sgml
+++ b/doc/ar65.sgml
@@ -4,7 +4,7 @@
 
 <title>ar65 Users Guide
 <author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">
-<date>19.07.2000
+<date>2017-05-28
 
 <abstract>
 ar65 is an archiver for object files generated by ca65. It allows to create