update note

Author: dashed

src/docs/product/accounts/pricing.mdx

@@ -46,7 +46,9 @@ You can set a maximum monthly on-demand invoice amount by setting an on-demand b
 
 <Note>
 
-Per-category on-demand budgets are only available on plans with [performance monitoring](/product/performance/) features. Customers on plans without performance monitoring can only use the shared on-demand budget strategy.
+Per-category on-demand budgets are only available on plans with [performance monitoring](/product/performance/) features and if you're in the Early Adopter program.
+If you opted out of the Early Adopter program while on the per-category on-demand budget strategy, you will still retain this on-demand budget until you switch to the shared on-demand budget strategy.
+Customers on plans without performance monitoring can only use the shared on-demand budget strategy.
 
 </Note>