diff --git a/lisp/epa-file-hook.el b/lisp/epa-file-hook.el
index 852ad8d3e04..ce975cfc7ce 100644
--- a/lisp/epa-file-hook.el
+++ b/lisp/epa-file-hook.el
@@ -106,4 +106,5 @@ Return the new status of auto encryption (non-nil means on)."
 
 (provide 'epa-file-hook)
 
+;; arch-tag: f75c8a50-d32e-4eb3-9ec6-9e940c1fc8b5
 ;;; epa-file-hook.el ends here