diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index 44d80862..7e840273 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -4113,14 +4113,14 @@ bool validate_ado_ownership(asset_op_verification_context& avc)
   {
     asset_operation_ownership_proof_eth aoop_eth{};
     r = get_type_in_variant_container(avc.tx.proofs, aoop_eth);
-    CHECK_AND_ASSERT_MES(r, false, "Ownership validation failed - missing signature (asset_operation_ownership_proof)");
+    CHECK_AND_ASSERT_MES(r, false, "Ownership validation failed: asset_operation_ownership_proof_eth is missing");
     return crypto::verify_eth_signature(avc.tx_id, last_ado.descriptor.owner_eth_pub_key.value(), aoop_eth.eth_sig);
   }
 
-  // owner_eth_pub_key has no value -- falback to default
+  // owner_eth_pub_key has no value -- fallback to default
   asset_operation_ownership_proof aoop = AUTO_VAL_INIT(aoop);
   r = get_type_in_variant_container(avc.tx.proofs, aoop);
-  CHECK_AND_ASSERT_MES(r, false, "Ownership validation failed - missing signature (asset_operation_ownership_proof)");
+  CHECK_AND_ASSERT_MES(r, false, "Ownership validation failed: asset_operation_ownership_proof is missing");
 
   return crypto::verify_schnorr_sig(avc.tx_id, last_ado.descriptor.owner, aoop.gss);
 }
diff --git a/src/currency_core/currency_basic.h b/src/currency_core/currency_basic.h
index e7052146..788f5a69 100644
--- a/src/currency_core/currency_basic.h
+++ b/src/currency_core/currency_basic.h
@@ -708,7 +708,7 @@ namespace currency
     std::string         meta_info;
     crypto::public_key  owner = currency::null_pkey; // consider premultipling by 1/8
     bool                hidden_supply = false;
-    std::optional<crypto::eth_public_key> owner_eth_pub_key;
+    std::optional<crypto::eth_public_key> owner_eth_pub_key; // note: the size is 33 bytes (if present)
 
     uint8_t             version = ASSET_DESCRIPTOR_BASE_STRUCTURE_VER;