I’ve mentioned this before but it bears repeating. As this text is being entered I am helpfully informed You can use BBCodes to format your content.
There is no indication what BBCodes are, nor any obvious way of using them.
IWBNI we could have a few buttons which, when pressed, underlined the selected text, inserted a hyperlink and so on.
As you can see, I have memorized a few of them …
Added in edit: even then, I was unable to work out how to use the [ URL ] tag properly.