The default 'header title text' of the widget is "Help". That said, if you wish to modify it, you are required to add the following variable in your existing widget code along with the new header title text e.g. "Hi there"
var faqbotTopText = "Hi there";
Modification of the CSS:
The default width of the 'header title text' is 80px and it can be modified by making local changes in the CSS. In the following example, we'd set the width to 100% and align the text to the left:
Important: The above CSS code to be added only after the bot.css. So, the local changes supersede the original CSS.