diff --git a/README.md b/README.md
index bd5444b..fe3c04f 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ neo-go wallet export -w <path_to_your_wallet> -d <address_from_p1>
 
 ## Example usage
 
-### Container
+### Container operations
 
 ```java
 import info.frostfs.sdk.dto.container.Container;
@@ -50,7 +50,7 @@ public class ContainerExample {
 }
 ```
 
-### Object
+### Object operations
 
 ```java
 import info.frostfs.sdk.enums.ObjectType;
@@ -58,6 +58,7 @@ import info.frostfs.sdk.dto.container.ContainerId;
 import info.frostfs.sdk.dto.object.ObjectAttribute;
 import info.frostfs.sdk.dto.object.ObjectFilter;
 import info.frostfs.sdk.dto.object.ObjectHeader;
+import info.frostfs.sdk.dto.object.ObjectId;
 import info.frostfs.sdk.jdo.PutObjectParameters;
 import info.frostfs.sdk.FrostFSClient;
 
@@ -71,7 +72,7 @@ public class ObjectExample {
         FrostFSClient frostFSClient = new FrostFSClient(clientSettings);
 
         // Put object
-        info.frostfs.sdk.dto.object.ObjectId objectId;
+        ObjectId objectId;
         try (FileInputStream fis = new FileInputStream("cat.jpg")) {
             var cat = new ObjectHeader(
                     containerId, ObjectType.REGULAR, new ObjectAttribute[]{new ObjectAttribute("Filename", "cat.jpg")}