lang/en/settings.php

<?php

$lang['colorscheme'] = 'Color scheme.<br/><span style="font-size:80%">The color name, followed by a an equals sign and a text color name. A background color can be added with a slash after the foreground color.<br/><br/>Example:<br/><pre style="margin:0;padding:5px;font-size:100%;background:#c0c0c0;">Info=green<br/>Attention=black/red</pre></span>';