(define-derived-mode): Add link to Elisp manual to docstring.

diff --git a/lisp/emacs-lisp/derived.el b/lisp/emacs-lisp/derived.el
index a10b8546d03b07da54f60032e990c459dec5aaab..c00028ad2186b74c91a694026c6d7197e80a0efe 100644 (file)
--- a/lisp/emacs-lisp/derived.el
+++ b/lisp/emacs-lisp/derived.el
@@ -158,7 +158,9 @@ Note that if the documentation string had been left out, it would have
 been generated automatically, with a reference to the keymap.
 
 The new mode runs the hook constructed by the function
-`derived-mode-hook-name'."
+`derived-mode-hook-name'.
+
+See Info node `(elisp)Derived Modes' for more details."
   (declare (debug (&define name symbolp sexp [&optional stringp]
                           [&rest keywordp sexp] def-body)))