Update Copilot billing cycle details for seat management documentation (#57002)

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>
Co-authored-by: Isaac Brown <101839405+isaacmbrown@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 4 people

content/copilot/concepts/billing/organizations-and-enterprises.md

@@ -44,7 +44,7 @@ If a single user receives a seat from multiple organizations in the same enterpr
 
 ## Billing cycles
 
-Billed users are calculated at the end of each billing cycle, based on the number of {% data variables.product.prodname_copilot %} seats that are assigned. You can add or remove seats at any time during the billing cycle.
+Billed users are calculated at the end of each billing cycle, based on the number of {% data variables.product.prodname_copilot %} seats that are assigned. Although you can add or remove seats at any time during the billing cycle, billing for removed seats continues until the end of the current billing cycle. See [AUTOTITLE](/copilot/reference/copilot-billing/license-changes).
 
 ## Reference