diff --git a/configuration.org b/configuration.org
index a850745a637a5f3cdae7e00dc4c10514b3a5fbcf..f26788e881fc3c54ffeb03d5b59d8b0a6cce631e 100644
--- a/configuration.org
+++ b/configuration.org
@@ -707,6 +707,12 @@ For HTML source code highlight, use =htmlize=
 #+end_src
 
 
+Turn off validate link in org html export:
+
+#+begin_src emacs-lisp
+(setq org-html-validation-link nil)
+#+end_src
+
 
 ** Source code evaluation