I want to replace the built with IBM Watson with my own text, I able to remove it but not replace it. I have already tried this according to the documentation but it changes the text in the header. There is no such information in the webchat framework on how to replace it.
instance.writeableElements.headerBottomElement.innerHTML = 'Powered By <a target="_blank" href="https://www.rechtsanwalt.com" rel="noopener"><strong>Rechtsawalt</strong></a>';