diff --git a/contrib/README.md b/contrib/README.md
index c89c2ef56..bbdf84141 100644
--- a/contrib/README.md
+++ b/contrib/README.md
@@ -10,5 +10,7 @@ for each item will be kept below.
 * `emacs` - Contains a file for enabling Ruby syntax highlighting for `Vagrantfile`s in `emacs`.
 * `st` - Contains a `.sublime-settings` file for enabling Ruby syntax highlighting
   for `Vagrantfile`s in Sublime Text.
+* `sudoers` - Contains the pieces of `/etc/sudoers` configuration to avoid password entry when
+  starting machines.
 * `vim` - Contains a `.vim` file for enabling Ruby syntax highlighting
-  for `Vagrantfile`s in `vim`.
\ No newline at end of file
+  for `Vagrantfile`s in `vim`.