What is the recommended dua for after performing wudu?

The recommended dua for after performing wudu is: "Ashhadu alla ilaha illallah wahdahu la sharika lahu wa ashhadu anna Muhammadan abduhu wa rasuluhu. Allahummaj'alni minat-tawwabina waj'alni minal-mutatahhirin." This translates to: "I bear witness that there is no god but Allah alone, with no partner or associate, and I bear witness that Muhammad is His servant and Messenger. O Allah, make me among those who repent and make me among those who purify themselves."