diff --git a/lisp/progmodes/ebnf-abn.el b/lisp/progmodes/ebnf-abn.el
index 35cbf2c9288..ec96109e0a0 100644
--- a/lisp/progmodes/ebnf-abn.el
+++ b/lisp/progmodes/ebnf-abn.el
@@ -659,6 +659,5 @@ See documentation for variable `ebnf-abn-lex'."
 
 (provide 'ebnf-abn)
 
-
-;;; arch-tag: 
+;;; arch-tag: 8d1b3c4d-4226-4393-b9ae-b7ccf07cf779
 ;;; ebnf-abn.el ends here