diff --git a/proto-docs/refs.md b/proto-docs/refs.md
index bf57211..99d2151 100644
--- a/proto-docs/refs.md
+++ b/proto-docs/refs.md
@@ -33,8 +33,8 @@ Address of object (container id + object id)
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ObjectID | [ObjectID](#refs.ObjectID) |  | ObjectID carries object identifier. |
 | ContainerID | [ContainerID](#refs.ContainerID) |  | ContainerID carries container identifier. |
+| ObjectID | [ObjectID](#refs.ObjectID) |  | ObjectID carries object identifier. |
 
 
 <a name="refs.ContainerID"></a>
diff --git a/refs/types.proto b/refs/types.proto
index 2fdaef4..0dda985 100644
--- a/refs/types.proto
+++ b/refs/types.proto
@@ -1,14 +1,17 @@
 syntax = "proto3";
+
 package refs;
+
 option go_package = "github.com/nspcc-dev/neofs-api-go/refs";
 option csharp_namespace = "NeoFS.API.Refs";
 
 // Address of object (container id + object id)
 message Address {
-    // ObjectID carries object identifier.
-    ObjectID ObjectID = 1;
     // ContainerID carries container identifier.
-    ContainerID ContainerID = 2;
+    ContainerID ContainerID = 1;
+
+    // ObjectID carries object identifier.
+    ObjectID ObjectID = 2;
 }
 
 // ObjectID groups information about the NeoFS object identifier.