Fix

src/enums/MDAppointmentRecordingHoster.php

@@ -31,7 +31,7 @@ enum MDAppointmentRecordingHoster implements MDValueEnumInterface, JsonSerializa
      * @return string
      */
     public function toString():string {
-        return match(this) {
+        return match($this) {
             self::archive_org => 'Archive.org',
         };
     }