*
* @param enabled If true, creates a secondary viewContainer in this tab.
* Otherwise deletes it.
- * @param animated Decides wether the effects of this method call should
+ * @param animated Decides whether the effects of this method call should
* happen instantly or be transitioned to smoothly.
* @param secondaryUrl If \p enabled is true, the new viewContainer will be opened at this
* parameter. The default value will set the Url of the new viewContainer