* Fetch the language code from the given user. If the code is invalid, return the system language
*
* @param integer $uid User-Id
- * @param boolean $short If true, return the short form g.g. "en", otherwise the long form e.g. "en_UK"
+ * @param boolean $short If true, return the short form g.g. "en", otherwise the long form e.g. "en-gb"
* @return string
*/
public static function getLanguageCode(int $uid, bool $short): string