Make comments clearer.

1 files changed, 3 insertions, 1 deletions

diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el
index 7c4c29abb23..3950b783bd3 100644
--- a/lisp/dired-aux.el
+++ b/lisp/dired-aux.el
@@ -1195,7 +1195,9 @@ Special value `always' suppresses confirmation."
             (if (file-exists-p to)
                 (or top (dired-handle-overwrite to))
               (condition-case err
-                  ;; Create the directory with correct permissions.
+                  ;; We used to call set-file-modes here, but on some
+                  ;; Linux kernels, that returns an error on vfat
+                  ;; filesystems
                   (let ((default-mode (default-file-modes)))
                     (unwind-protect
                         (progn