diff --git a/dotfiles/emacs.d/README.org b/dotfiles/emacs.d/README.org
index 3e299b97..543da0f5 100644
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -3752,6 +3752,11 @@ alphanumeric characters only."
 (use-package wsd-mode
   :commands (wsd-mode))
 #+END_SRC
+*** adoc-mode
+#+begin_src emacs-lisp
+(use-package adoc-mode
+  :mode "\\.adoc\\'")
+#+end_src
 ** Utility
 *** restclient
 #+BEGIN_SRC emacs-lisp