diff --git a/container/types.proto b/container/types.proto
index 4456c5a..fdb0667 100644
--- a/container/types.proto
+++ b/container/types.proto
@@ -40,6 +40,12 @@ message Container {
   // * __NEOFS__SUBNET \
   //   String ID of container's storage subnet. Container can be attached to
   //   only one subnet.
+  // * __NEOFS__NAME \
+  //   String of human-friendly container name registered as the domain in
+  //   NNS contract.
+  // * __NEOFS__ZONE \
+  //   String of zone for `__NEOFS__NAME`. Used as TLD of domain name in NNS
+  //   contract. If zone is not specified, use default zone: `container`.
   //
   // And some well-known attributes used by applications only:
   //