diff --git a/init.el b/init.el
index a4d143c..2eef56b 100644
--- a/init.el
+++ b/init.el
@@ -2243,6 +2243,12 @@ This is :around advice, so OLDFUN is the real function
 ;; markdown
 (use-package markdown-mode
   :hook (markdown-mode . auto-fill-mode))
+(use-package markdown-ts-mode
+  :defer t
+  :commands (markdown-ts-mode)
+  :hook (markdown-ts-mode . auto-fill-mode)
+  :init
+  (add-to-list 'major-mode-remap-alist '(markdown-mode . markdown-ts-mode)))
 
 ;; enriched-mode (builtin)
 (use-package enriched
@@ -3980,8 +3986,12 @@ one of the normal rainbow-delimiters-depth-N-face faces."
     "a" #'gptel-add
     "A" #'gptel-add-file
     "q" #'gptel-abort)
-  (keymap-global-set "C-c y" #'my/gptel-prefix-map)
+  (keymap-global-set "C-c y" 'my/gptel-prefix-map)
   :config
+  ;; Don't use makrdown-ts-mode (highlighting is off)
+  ;; (setopt gptel-default-mode #'markdown-ts-mode)
+  (add-to-list 'gptel-prompt-prefix-alist '(markdown-ts-mode . "### "))
+
   (defun my/-setup-gptel-mode ()
     "Set up `gptel-mode'."
     (setq-local show-trailing-whitespace nil))
@@ -4037,7 +4047,7 @@ vising, and their major mode"
     "Function for the \"read_buffer\" for `gptel'."
     (unless (buffer-live-p (get-buffer buffer))
       (error "Error: buffer %s is not live" buffer))
-    (with-current-buffer  buffer
+    (with-current-buffer buffer
       (buffer-substring-no-properties (point-min) (point-max))))
   (gptel-make-tool
    :name "read_buffer"