diff --git a/config.org b/config.org
index f91f1a1..1f33c7c 100644
--- a/config.org
+++ b/config.org
@@ -218,6 +218,13 @@ Show function we are currently in in the mode-line.
   )
 #+END_SRC
 
+** Line-numbers
+
+Show line numbers.
+#+BEGIN_SRC emacs-lisp
+(global-display-line-numbers-mode t)
+#+END_SRC
+
 ** Abbrev
 
 #+begin_src emacs-lisp