diff --git a/config.org b/config.org
index 63abd1e..8fece9b 100644
--- a/config.org
+++ b/config.org
@@ -270,7 +270,7 @@ Setup the default format for C/C++ editing.
 Use [[https://github.com/kamadorueda/alejandra][alejandra]] to format Nix code.
 
 #+begin_src emacs-lisp
-(set-formatter! 'alejandra "alejandra --quiet" :modes '(nix-mode))
+(set-formatter! 'alejandra '("alejandra" "--quiet") :modes '(nix-mode))
 #+end_src
 ** LilyPond
 
@@ -794,6 +794,7 @@ Setup the headers view columns how I like them
                             (:human-date . 8)
                             (:flags . 6)
                             (:mailing-list . 30)
+                            (:maildir . 30)
                             (:from-or-to . 30)
                             (:subject)))
 #+end_src