diff --git a/org/config/emacs.org b/org/config/emacs.org
index 654a207..bb63ce5 100644
--- a/org/config/emacs.org
+++ b/org/config/emacs.org
@@ -2940,7 +2940,12 @@ bit unfortunate Chrome’s name stuck in the package’s name though.
 (use-package atomic-chrome
   :straight (:build t)
   :init
-  (atomic-chrome-start-server))
+  (atomic-chrome-start-server)
+  :config
+  (setq atomic-chrome-default-major-mode 'markdown-mode
+        atomic-chrome-url-major-mode-alist `(("github\\.com"          . gfm-mode)
+                                             ("gitlab\\.com"          . gfm-mode)
+                                             ("labs\\.phundrak\\.com" . markdown-mode))))
 #+end_src
 
 *** Editorconfig