There are some settings for your website that can be changed using the configuration editor.  Be very careful about the ones you change, as altering some crucial ones incorrectly can break your website.

1. Go to the settings page by clicking on Settings from the top menu, and you'll see something like this:

2. You can now select any of the tabs (Contact/Design/Site/Social/Users) and make any required changes.  If you have any custom applications built for you by Hidden Colour, you may have extra configuration tabs on here as well.

3. Click Save Changes and your new configuration options will then be live.