How to change apache root directory in cloud9.io?

Question

Apache HTTP Server

I can't understand - how do I change the root directory for apache in cloud9.io.
By default, there is a workspace.
found the answer on google but can't figure out how to apply it.

Answer 1

nano /etc/apache2/sites-enabled/your-site
find the line DocumenRroot change
ctrl
+x
y
enter
service apache2 restart