Uber Eats coupon: Save 50% on Fridays (max $10) YMMV

Just got an email from Uber Eats -
Uber Eats coupon: Save 50% on Friday (max $10)
https://www.ubereats.com/en-US/
Just enter this code at checkout:
SUMMERFRIDAY193
YMMV
Fine print-
*Summer Friday 50% off promo codes will be delivered by email each Friday from August 2 to August 30. The above promo code is valid on August 16, 2019, for a 50% discount (up to $10 off) on the next Uber Eats order you place on August 2. You must receive this email directly from Uber to be eligible, and you must apply the promo code in the app before completing your order. Uber reserves the right to change or revoke the promotion at any time.
https://www.ubereats.com/en-US/