This article will help a user set or update the email template used for when the customer forgets their password.
1. Need to have a Transactional Email setup for "Forgot Email"
2. Navigate to Stores > Settings > Configuration
3. Go to the Customers section and select Customer Configuration
4. Select the Password Options tab
5. Select "Forgot Email Template" by selecting the template email from drop down.
6. Click the "Save Config" button in the top right.