Update content/billing/managing-billing-for-github-copilot/about-billing-for-github-copilot.md

Co-authored-by: Jules <[email protected]>

Author: sophietheking

content/billing/managing-billing-for-github-copilot/about-billing-for-github-copilot.md

@@ -15,6 +15,6 @@ You can set up a one-time 60-day trial to evaluate {% data variables.product.pro
 
 ## {% data variables.product.prodname_copilot %} pricing
 
-You will be billed $10 USD per month for {% data variables.product.prodname_copilot_short %} if you use a monthly billing cycle. You will be billed $100 USD per year for {% data variables.product.prodname_copilot_short %} if you use a yearly billing cycle. 
+The {% data variables.product.prodname_copilot %} subscription is available on a monthly or yearly cycle. If you choose a monthly billing cycle, you will be billed $10 per calendar month. If you choose a yearly billing cycle, you will be billed $100 per year. You can modify your billing cycle at any time, and the modification will be reflected from the start of your next billing cycle.
 
 A free subscription for {% data variables.product.prodname_copilot %} is available to verified students, and maintainers of popular open-source repositories on {% data variables.product.company_short %}. If you meet the criteria as an open source maintainer, you will be automatically notified when you visit the {% data variables.product.prodname_copilot %} subscription page. As a student, if you receive the {% data variables.product.prodname_student_pack %} or you are a {% data variables.product.prodname_global_campus %} Student, you will also be offered a free subscription when you visit the {% data variables.product.prodname_copilot %} subscription page. For more information about the {% data variables.product.prodname_student_pack %}, see "[Apply for a student developer pack](/education/explore-the-benefits-of-teaching-and-learning-with-github-education/use-github-for-your-schoolwork/apply-for-a-student-developer-pack)."