diff --git a/README.org b/README.org
index 1a8ab1a..d48e9bc 100644
--- a/README.org
+++ b/README.org
@@ -1341,32 +1341,34 @@ NOTE: Play with =vertico-buffer-mode=, =vertico-flat-mode=, =vertico-grid-mode=,
   ;; using `vertico-directory' functions which confuse `find-file'.
   ;; GAV: Builtin `fido-mode' has more down than up sides: ChatGPT
   ;; bullshits on enhancing `vertico-mode' completion.
-  (vertico-mode +1))
+  (vertico-mode +1)
+  ;; GAV: Darwin shadows the "C-<up>" and "C-<down>" key bindings.
+  (keymap-set vertico-map "C-(" #'vertico-previous-group)
+  (keymap-set vertico-map "C-)" #'vertical-next-group))
 #+end_src
 
 #+attr_latex: :booktabs yes :float table
 #+caption[Vertico key map bindings]:
 #+caption: Vertico key map bindings.
 #+name: tab:vertico-keymap-bindings
-|--------------------------+------------------------------------+---------------------|
-| command                  | remap                              | keys                |
-|--------------------------+------------------------------------+---------------------|
-| *vertico-exit*           | *exit-minibuffer*                  | {{{kbd(C-j)}}}      |
-| *vertico-exit-input*     |                                    | {{{kbd(C-RET)}}}    |
-| *vertico-first*          | *beginning-of-buffer*              | {{{kbd(M-<)}}}      |
-| *vertico-first*          | *minibuffer-beginning-of-buffer*   | {{{kbd(M-<)}}}      |
-| *vertico-insert*         |                                    | {{{kbd(TAB)}}}      |
-| *vertico-last*           | *end-of-buffer*                    | {{{kbd(M->)}}}      |
-| *vertico-next-group*     | *forward-paragraph*                | {{{kbd(C-<down>)}}} |
-| *vertico-next*           | *next-line-or-history-element*     | {{{kbd(<down>)}}}   |
-| *vertico-next*           | *next-line*                        | {{{kbd(C-n)}}}      |
-| *vertico-previous-group* | *backward-paragraph*               | {{{kbd(C-<up>)}}}   |
-| *vertico-previous*       | *previous-line-or-history-element* | {{{kbd(<up>)}}}     |
-| *vertico-previous*       | *previous-line*                    | {{{kbd(C-p)}}}      |
-| *vertico-save*           | *kill-ring-save*                   | {{{kbd(M-w)}}}      |
-| *vertico-scroll-down*    | *scroll-down-command*              | {{{kbd(M-v)}}}      |
-| *vertico-scroll-up*      | *scroll-up-command*                | {{{kbd(C-v)}}}      |
-|--------------------------+------------------------------------+---------------------|
+|--------------------------+------------------------------------+-------------------|
+| command                  | remap                              | keys              |
+|--------------------------+------------------------------------+-------------------|
+| *vertico-exit*           | *exit-minibuffer*                  | {{{kbd(C-j)}}}    |
+| *vertico-first*          | *beginning-of-buffer*              | {{{kbd(M-<)}}}    |
+| *vertico-first*          | *minibuffer-beginning-of-buffer*   | {{{kbd(M-<)}}}    |
+| *vertico-insert*         |                                    | {{{kbd(TAB)}}}    |
+| *vertico-last*           | *end-of-buffer*                    | {{{kbd(M->)}}}    |
+| *vertico-next-group*     | *forward-paragraph*                | {{{kbd(C-))}}}    |
+| *vertico-next*           | *next-line-or-history-element*     | {{{kbd(<down>)}}} |
+| *vertico-next*           | *next-line*                        | {{{kbd(C-n)}}}    |
+| *vertico-previous-group* | *backward-paragraph*               | {{{kbd(C-()}}}    |
+| *vertico-previous*       | *previous-line-or-history-element* | {{{kbd(<up>)}}}   |
+| *vertico-previous*       | *previous-line*                    | {{{kbd(C-p)}}}    |
+| *vertico-save*           | *kill-ring-save*                   | {{{kbd(M-w)}}}    |
+| *vertico-scroll-down*    | *scroll-down-command*              | {{{kbd(M-v)}}}    |
+| *vertico-scroll-up*      | *scroll-up-command*                | {{{kbd(C-v)}}}    |
+|--------------------------+------------------------------------+-------------------|
 
 ** [[https://company-mode.github.io/][Company: a modular in-buffer completion framework for Emacs]]
 :PROPERTIES: