* @class Roo.bootstrap.Column
* @extends Roo.bootstrap.Component
* Bootstrap Column class
- * @cfg {number} colspan Number of columsn to span
+ * @cfg {Number} xs colspan out of 12 for mobile-sized screens
+ * @cfg {Number} sm colspan out of 12 for tablet-sized screens
+ * @cfg {Number} md colspan out of 12 for computer-sized screens
+ * @cfg {Number} lg colspan out of 12 for large computer-sized screens
*
* @constructor
* Create a new Column