£5 Video Store Credit in the Prime Video Store (Select Accounts)

Just got an email about receiving £5 credit to use on prime video store

Terms and Conditions:
Offer: Eligible customers can receive a £5 promotional credit to use on purchase or rental of movies or TV shows in the Prime Video Store UK.
Eligibility: This Offer is only valid for eligible customers. To be eligible customers must meet each of the following eligibility requirements:
be an individual aged 18+;
be located in and with a billing address in the United Kingdom;
have received a dedicated push notification or email promoting the Offer.
Offer Period: The Offer Period will run from 12:00 AM (GMT) on 9 November 2023 to 23:59 PM (GMT) on 31 December 2023. The £5 promotional credit expires 30 days after activation.
After activation, the £5 credit will be automatically applied to the next Qualifying Purchase made on the Prime Video Store UK. The credit will be valid for 30 days from activation; after this date the £5 credit will expire.
The discounted price will show on site for Web, Android and TV devices (third party). The price might not change for iOS, Fire TV and Echo devices but the £5 credit will automatically be applied to rental or purchase and the discounted price will be shown in “Your Order History”.
The £5 promotional credit can only be redeemed against digital products, i.e. purchase or rental of movies or TV shows available in the Prime Video Store at amazon.co.uk/pri…ore (“Qualifying Purchase”). For the avoidance of doubt, the credit will not apply to Channel subscriptions, Prime membership or any other products on amazon.co.uk outside the Prime Video Store.
In case the order value exceeds the £5, customers will need to pay the price difference.
Promotional credits have no cash redemption value and are not transferable or assignable.
If customer places an order using a promotional credit and then returns or cancels that order, the promotional credit cannot be refunded or re-used.
Unless otherwise specified on the Landing Page or by Amazon, promotional credits cannot be used on existing orders and only one promotional credit can be redeemed per order.
The Offer only applies to customers shopping on Prime Video Store UK.
The Offer cannot be transferred to another customer account.
Each eligible Amazon customer can claim a maximum of one Offer.
The Offer cannot be combined with any other promotion.
The Offer is subject to availability and may be withdrawn or amended without notice.
Amazon reserves the right to change or end the promotion at any time.
Amazon’s Terms of Use and Prime Video’s Terms of Use apply.
How to redeem:
Log in with your Amazon.co.uk customer account.
Click on your personal link received via email or push notification promoting the Offer.
Your promotional credit will now be automatically credited to your account and will be valid for 30 days.
Upon successful application, you will be directed to a dedicated Landing Page confirming your successful credit activation.
Select a title on the Prime Video Store and confirm the purchase by clicking on "Buy" or "Rent". You must have activated the "1-Click order" for your customer account.
Please note that the price shown on the detail page does not always reflect the reduced pricing, even if the credit is applied correctly. The credit will be automatically applied to your purchase. Manually entering a credit is not required.
The discounted price is visible in your invoice after purchase, as well as in your order history.