Notices for Registration Dates
There are two places to put a notice to tell users about registration dates.
1. Woocommerce Store Notice. Appearance/Customizer/Woocommerce/Store Notice. You put in the text you want and click enable to turn it on. This will appear throughout the site, with an option to dismiss the notice. To turn it off, uncheck the box. Click Publish after making any changes.
2. Product Category Description. Products/Categories, select Class Registration, enter text in description field, scroll down to bottom to Save Changes button.