diff --git a/lisp/textmodes/emacs-news-mode.el b/lisp/textmodes/emacs-news-mode.el
index ebb31da9cf4..26f8f610eff 100644
--- a/lisp/textmodes/emacs-news-mode.el
+++ b/lisp/textmodes/emacs-news-mode.el
@@ -226,7 +226,7 @@ untagged NEWS entry."
         ;; Do manual references.
         (goto-char (point-min))
         (search-forward "\f" nil t)
-        (while (re-search-forward "\"\\(([a-z0-9]+)[ \n][^\"]\\{1,80\\}\\)\""
+        (while (re-search-forward "\"\\(([a-z0-9-]+)[ \n][^\"]\\{1,80\\}\\)\""
                                   nil t)
           (buttonize-region (match-beginning 1) (match-end 1)
                             (lambda (node) (info node))