lainchan/js/sceditor/languages/en.js

(function ($) {
	'use strict';

	$.sceditor.locale['en-GB'] = {
		'Font Color': 'Font Colour',
		'Center': 'Centre',
		dateFormat: 'day/month/year'
	};

	// set this as the default English locale
	$.sceditor.locale['en'] = $.sceditor.locale['en-GB'];
})(jQuery);