Please help me edit the opt in (orange box) which is located at the top of my website (below title). how do I edit?

Me: I'm Paul, a SQSP user for >18 yrs & Circle Leader since 2017. I value honesty, transparency, diversity and good design ♥.
Work: Founder of SF.DIGITAL. We provide high quality original extensions to supercharge your Squarespace website. 
Content: Views and opinions are my own. Links in my posts may refer to my own SF.DIGITAL products or may be affiliate links.
Forum advice is completely free. You can thank me by selecting a feedback emoji. Buying a coffee is generous but optional.

Would you like your customers to be able to mark their favourite products in your Squarespace store?