diff --git a/README.org b/README.org
index 98a1ddc..663f986 100644
--- a/README.org
+++ b/README.org
@@ -2159,6 +2159,11 @@ Org-mode[fn:60] is a document editing and organizing mode, designed for notes, p
 ;; Configure the keywords in the TODO -> DONE sequence.
 (setq org-todo-keywords '((sequence "TODO" "START" "WAIT" "DONE")))
 
+;; Configure `org-babel' languages.
+(org-babel-do-load-languages
+  'org-babel-load-languages
+  '((C . t)))
+
 ;; TODO: Configure default structure templates.
 ;; (require 'org-tempo)