I get this messgae when i am using zoho mail

DKIM entries in your domains DNS are not configured to match with Zoho.Please configure DKIM to ensure better email delivery.  Learn more

I logged in and created a TXT record Value (by following the steps given)

I copied the TXT record.

It then asks me to save the TXT record in the DNS Manager with no explanation as to how I do this.

Someone explain in English (like a 5yr old needs telling - seriously patronise me if you must as I just dont know what to do!!!)

Once I have done this I can click verify I assume and all will be well???!!!????

My domain was bought with Zoho and only hosted with Zoho.

Thank you for ANY help.

K