(define-derived-mode): Doc fix.

diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index c00028ad2186b74c91a694026c6d7197e80a0efe..5ba9c094355e6038a1d8576cf949840399d33c8b 100644 (file)
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -132,6 +132,7 @@ BODY can start with a bunch of keyword arguments.  The following keyword
   arguments are currently understood:
 :group GROUP
        Declare the customization group that corresponds to this mode.
+       The command `customize-mode' uses this.
 :syntax-table TABLE
        Use TABLE instead of the default.
        A nil value means to simply use the same syntax-table as the parent.