diff --git a/emacs/.emacs.d/init.org b/emacs/.emacs.d/init.org
index e24bd2a..6a7e5f1 100644
--- a/emacs/.emacs.d/init.org
+++ b/emacs/.emacs.d/init.org
@@ -216,6 +216,16 @@ To start off, first I need to enable lexical binding.
     (setq require-final-newline t)
   #+END_SRC
 
+* Long lines
+
+  By default Emacs wraps long lines around to the next line when they
+  reach the far end of the window. However I prefer to have them
+  truncated instead.
+
+  #+BEGIN_SRC emacs-lisp
+    (setq-default truncate-lines t)
+  #+END_SRC
+
 * Theme
 
   #+BEGIN_SRC emacs-lisp