When creating a listing to Etsy, a description is required. This description cannot be an HTML description as HTML is not supported through Etsy's API.
To enter a text description for Etsy:
1. Navigate to Listings> Listings Management> draft or active listings
2. Click into a product SKU by hovering over Actions> View
3. Click into the description field
4. Here is where you can click 'edit' for the description and enter your description for Etsy.