diff --git a/developers/ocean-node/node-architecture.md b/developers/ocean-node/node-architecture.md
index 3e81b1e4..0750012b 100644
--- a/developers/ocean-node/node-architecture.md
+++ b/developers/ocean-node/node-architecture.md
@@ -54,7 +54,7 @@ An off-chain, multi-chain metadata & chain events cache. It continually monitors
 
 Features:
 
-* Monitors MetadataCreated & MetadataUpdated and stores DDOs.
+* Monitors MetadataCreated, MetadataUpdated, MetadataState and stores DDOs in the database.
 * Validates DDOs according to multiple SHACL schemas.
 * Provides proof for valid DDOs.
 * Monitors data token contracts & stores orders.