diff --git a/dotfiles/emacs.d/README.org b/dotfiles/emacs.d/README.org
index f7494b72..778580c3 100644
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -2278,6 +2278,8 @@ The following is taken from [[https://github.com/syl20bnr/spacemacs/blob/a650877
 **** haskell
 #+BEGIN_SRC emacs-lisp
 (use-package haskell-mode
+  :mode ("\\.?xmonad.?.*\\'"
+         "\\.?xmobar.*\\'")
   :commands haskell-mode
   :config
   (progn