diff --git a/init.el b/init.el
index 8803454..aa6cbfb 100644
--- a/init.el
+++ b/init.el
@@ -1,5 +1,5 @@
 ;;; init.el --- tastytea's Emacs init file.
-;; Time-stamp: <2019-04-16T20:51:04+00:00>
+;; Time-stamp: <2019-04-23T05:51:51+00:00>
 
 ;;; Commentary:
 ;; I am using this file with Emacs 26, but most of it will probably work with
@@ -508,11 +508,11 @@ With argument, do this that many times."
   :hook
   (prog-mode . my/set-fill-column-80)
   (conf-mode . my/set-fill-column-80)
-  (markdown-mode . my/set-fill-column-80)
 
   (prog-mode . fci-mode)
   (conf-mode . fci-mode)
-  (text-mode . fci-mode))
+
+  (text-mode . auto-fill-mode))         ; Enable word-wrapping at fill-column.
 
 ;; Interactive substring matching.
 (use-package ido
@@ -753,14 +753,14 @@ With argument, do this that many times."
   (find-file . auto-insert))
 
 ;;;;;;;;;;;;;;;;;;;; LaTeX ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-(if (executable-find "xelatex")
+(if (executable-find "xetex")
     (use-package tex-site
       :ensure auctex
       :custom
       (TeX-parse-self t)               ; Enable parse on load.
       (TeX-auto-save t)                ; Enable parse on save
       (TeX-PDF-mode t)                 ; PDF mode (rather than DVI-mode)
-      (TeX-engine 'xelatex)
+      (TeX-engine 'xetex)
       ;; To use pdf-tools with auctex.
       ;; https://emacs.stackexchange.com/a/21764/21935
       (TeX-view-program-selection '((output-pdf "PDF Tools")))
@@ -830,6 +830,7 @@ With argument, do this that many times."
    ("\\.md\\'" . markdown-mode)
    ("\\.markdown\\'" . markdown-mode))
   :hook
+  (markdown-mode . my/set-fill-column-80)
   (markdown-mode . auto-fill-mode))     ; Wrap at fill-column.
 
 (use-package crontab-mode
@@ -847,6 +848,8 @@ With argument, do this that many times."
 
 ;; View PDF files.
 (use-package pdf-tools
+  :custom
+  (pdf-misc-print-programm "/usr/bin/lpr")
   :mode
   ("\\.pdf\\'" . pdf-tools-install))