Thank you for reaching out to us through the Community. At this time, we do not currently have this feature within our editor, but I have notified our developers about the request and they will be tracking it to your account. I do apologize for any inconvenience this may cause. For a workaround, I would suggest to include a linked "See More" or "Read More" and have it linked to an external site that may contain more information about the section that you had written within your text block. If you have a website that has full articles, it would be a good idea to grab the URL from there and link it within the text in the editor. Let us know if you need assistance with anything else.