First time poster here, have managed to create a couple of sites without reaching out for help but this one has me stumped.
As per the pics below, trying to get the description to spread across the page like the red box.
Welcome to the Shopify Community.
I read your problem and it seems that I need to analyze your website to provide the solution here.
Would you please share your website URL and if your website is password protected then also provide the password.