It looks like you're referring to a downloaded transaction, Barb15.
It may be the Copy bank detail to memo option is accidentally unchecked. Let's go ahead and select this feature again. This way, the memo field will be auto-populated by the info of the description field.
- Click Banking, then go to the Banking tab.
- Go to the For Review tab.
- Above the ACTION column, click the Gear icon.
- Tick the Copy bank detail to memo box.
Once done, you can continue to assign, categorize, edit, and add your downloaded banking transactions.
If you need something else, don't hesitate to keep in touch.