Hello @hedlou and thank you for reaching out. The replacement character ? is a symbol found in the Unicode standard at code point U+FFFD in the Specials table. It is used to indicate problems when a system is unable to render a stream of data to a correct symbol.
- Was this story published before you updated to version 1.15.0 and was it displaying the correct text before this?
- When inserting your text to your Web Story was this copy and pasted from somewhere or was it typed in?
If you originally copied and pasted the text could you try to edit the page affected, copy the text from it’s original source and paste into a Notepad document, then copy the text once more from there and paste into your page. Once done publish your story and see if this clears the ? character.
If you don’t have the original source then you could also try manually typing the content back into the page and see if this clears the issue.
Let me know how this goes and if you have any further questions.