diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index c585699..f8651e2 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -112,6 +112,9 @@ Every output knows its lineage:
   - Free tier: platform gets rights, can publish to YouTube/monetize elsewhere
   - Paid tier: you keep full ownership
   - Honest trade, not hidden in ToS
+- **Render quality fees** (L1 server):
+  - Free: watermarks, limited resolution, limited length
+  - Paid: clean output, full resolution, no limits
 
 ### How money flows
 Revenue splits down the provenance chain: