1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/info.el b/lisp/info.el
index 38c077a5417..8b8447a7b6b 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -2622,7 +2622,7 @@ the variable `Info-file-list-for-emacs'."
             (let ((n 0))
               (while (re-search-forward "^\\* +\\([^:\t\n]*\\):" nil t)
                 (setq n (1+ n))
-                (if (memq n '(5 9))     ; visual aids to help with 1-9 keys
+                (if (zerop (% n 3)) ; visual aids to help with 1-9 keys
                     (put-text-property (match-beginning 0)
                                        (1+ (match-beginning 0))
                                        'face 'info-menu-5))