Improve prompt of 'image-dired' command

* lisp/image/image-dired.el (image-dired-show-all-from-dir):
Improve prompt.

diff --git a/lisp/image/image-dired.el b/lisp/image/image-dired.el
index 1b8b1f1df7be2dfa2b3cd378f1df7cde9185ffe1..11427a84aa6f941f26d3c6cf326182ec96ac6f07 100644 (file)
--- a/lisp/image/image-dired.el
+++ b/lisp/image/image-dired.el
@@ -553,7 +553,7 @@ If the number of image files in DIR exceeds
 `image-dired-show-all-from-dir-max-files', ask for confirmation
 before creating the thumbnail buffer.  If that variable is nil,
 never ask for confirmation."
-  (interactive "DImage-Dired: ")
+  (interactive "DImage-Dired (directory): ")
   (dired dir)
   (dired-mark-files-regexp (image-dired--file-name-regexp))
   (let ((files (dired-get-marked-files nil nil nil t)))