fix(core users): link to 'order' definition

src/content/docs/accounts/accounts-billing/new-relic-one-pricing-billing/core-users-release.mdx

@@ -67,7 +67,7 @@ For all New Relic organizations, basic users will have free preview access to co
 
 [Some New Relic organizations](#availability) that existed before January 12, 2022, have an option for opting in to the newer core user release via an acceptance form called the "core amendment." For some organizations, this acceptance process is in the UI, found on the **Manage your plan** UI page. The New Relic user that accepts this amendment from the UI is stating that they're authorized to accept the terms of that amendment for their organization.
 
-When an existing organization transitions to the core version of pricing (by accepting either a) the core amendment or b) the addition of core users to an existing order), it has a seven-day grace period, during which your users’ user type won't affect billing. This gives you time to [decide which user type to assign your users](/docs/accounts/accounts-billing/new-relic-one-user-management/user-type/#choose-user-type). After the grace period ends, the new [billing calculation rules](/docs/accounts/accounts-billing/new-relic-one-pricing-billing/user-count-billing) apply.  
+When an existing organization transitions to the core version of pricing (by accepting either a) the core amendment or b) the addition of core users to an existing [order](/docs/licenses/license-information/product-definitions/new-relic-one-pricing-definitions/#order)), it has a seven-day grace period, during which your users’ user type won't affect billing. This gives you time to [decide which user type to assign your users](/docs/accounts/accounts-billing/new-relic-one-user-management/user-type/#choose-user-type). After the grace period ends, the new [billing calculation rules](/docs/accounts/accounts-billing/new-relic-one-pricing-billing/user-count-billing) apply.  
 
 The grace period is provided only for existing, paying organizations that accept the addition of core users and only happens once, upon initial transition to the core version of pricing.