(cancel-debug-on-entry): Mention default in minibuffer prompt.

diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 795c6418e5a5eef721cf8264380953d783b9597f..0745508b64b9d629d5c90ce8214b6a3a99ac3460 100644 (file)
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -698,9 +698,9 @@ When called interactively, prompt for FUNCTION in the minibuffer.
 To specify a nil argument interactively, exit with an empty minibuffer."
   (interactive
    (list (let ((name
-               (completing-read "Cancel debug on entry (to function): "
-                                (mapcar 'symbol-name debug-function-list)
-                                nil t)))
+               (completing-read
+                "Cancel debug on entry to function (default: all functions): "
+                (mapcar 'symbol-name debug-function-list) nil t)))
           (when name
             (unless (string= name "")
               (intern name))))))