diff --git a/README.md b/README.md
index 50b2d1c4..47ef97d6 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,15 @@
[](http://cssreference.io)
+# Development
+
+```shell
+$ npm install && npm start # Install JavaScript dependencies and run watcher.
+$ gem install jekyll && jekyll s -w # Install jekyll and generate static local site.
+```
+
# License
The content of this project itself is licensed under the [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](http://creativecommons.org/licenses/by-nc-sa/4.0/).
-The underlying source code used to format and display that content is licensed under the [MIT license](http://opensource.org/licenses/mit-license.php).
\ No newline at end of file
+The underlying source code used to format and display that content is licensed under the [MIT license](http://opensource.org/licenses/mit-license.php).
diff --git a/_includes/menu.html b/_includes/menu.html
index fd9a74ff..e9114a59 100644
--- a/_includes/menu.html
+++ b/_includes/menu.html
@@ -44,8 +44,9 @@
-