Change "expiry" to "expiration date"

Hello is there a way to achieve this?

I only found this post: https://www.ads-software.com/support/topic/change-expiry-to-expiration-date?replies=6

But is not very clear of where I should add or change that.

Any ideas? thanks?

https://www.ads-software.com/plugins/stripe-for-woocommerce/