diff --git a/init.el b/init.el
index 14e8f34..d776629 100644
--- a/init.el
+++ b/init.el
@@ -43,6 +43,7 @@
   :hook ((emacs-lisp-mode . my/-emacs-lisp-mode-setup-evil-lookup)
          (prog-mode . electric-pair-local-mode)
          ((text-mode message-mode tex-mode) . flyspell-mode)
+         ((text-mode message-mode tex-mode) . auto-fill-mode)
          (prog-mode . flyspell-prog-mode))
   :init
   (defun my/-emacs-lisp-mode-setup-evil-lookup ()
@@ -642,7 +643,8 @@ COMMAND and COMINT are like `compile'."
 (use-package rust-mode)
 
 ;; markdown
-(use-package markdown-mode)
+(use-package markdown-mode
+  :hook (markdown-mode . auto-fill-mode))
 
 ;; groovy
 (use-package groovy-mode)