* Helper function for addDBData -- adds a simple page to the database
*
* @param string $title Title of page to be created
- * @param string $lang Language and content of the created page
+ * @param string $lang Language and content of the created page
* @param string|null $content Content of the created page, or null for a generic string
* @param bool $createSubPage Set to false if a root page should be created
*/