To edit the Abandon Cart Email navigate to Settings > Abandon Cart Email (under Communications)

You are able to translate these emails into various languages using the Select Language drop-down. Select the language you wish to send the email in and the form will update to that language.

The 'Call to Action' field will display the words on the button. The default is "Complete Purchase"

Update email as desired, but keep  [CART_ITEMS_TABLE] and [CALL_TO_ACTION_BUTTON]