Approvel message should look like this

"This case has been approved. On xx xx xxxx, an approval notice was mailed. If 30 days have passed and you have not received this notice, you may wish to verify or update your address. To update your address,
please speak to an Immigration Information Officer during business hours."

or

"On xx xx xxxx, after approving your application, we ordered you a new card. Your card will be mailed to you as soon as it is ready.
"