diff --git a/kv/tables.go b/kv/tables.go
index 0daa59b11..b181b508f 100644
--- a/kv/tables.go
+++ b/kv/tables.go
@@ -252,7 +252,11 @@ const (
 	CliqueSnapshot     = "CliqueSnapshot"
 	CliqueLastSnapshot = "CliqueLastSnapshot"
 
-	// this bucket stored in separated database
+	// Node database tables (see nodedb.go)
+
+	// NodeRecords stores P2P node records (ENR)
+	NodeRecords = "NodeRecord"
+	// Inodes stores P2P discovery service info about the nodes
 	Inodes = "Inode"
 
 	// Transaction senders - stored separately from the block bodies