diff --git a/balking/src/main/java/com/iluwatar/balking/WashingMachine.java b/balking/src/main/java/com/iluwatar/balking/WashingMachine.java
index 2167a0e52..e4f1259ad 100644
--- a/balking/src/main/java/com/iluwatar/balking/WashingMachine.java
+++ b/balking/src/main/java/com/iluwatar/balking/WashingMachine.java
@@ -25,6 +25,9 @@ package com.iluwatar.balking;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+/**
+ * Washing machine class
+ */
 public class WashingMachine {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(WashingMachine.class);
diff --git a/converter/src/main/java/com/iluwatar/converter/User.java b/converter/src/main/java/com/iluwatar/converter/User.java
index f40c01e79..62903a931 100644
--- a/converter/src/main/java/com/iluwatar/converter/User.java
+++ b/converter/src/main/java/com/iluwatar/converter/User.java
@@ -25,6 +25,9 @@ package com.iluwatar.converter;
 
 import java.util.Objects;
 
+/**
+ * User class
+ */
 public class User {
   private String firstName;
   private String lastName;
diff --git a/converter/src/main/java/com/iluwatar/converter/UserDto.java b/converter/src/main/java/com/iluwatar/converter/UserDto.java
index 8f55bbe0e..8eacc0b3b 100644
--- a/converter/src/main/java/com/iluwatar/converter/UserDto.java
+++ b/converter/src/main/java/com/iluwatar/converter/UserDto.java
@@ -26,6 +26,9 @@ package com.iluwatar.converter;
 
 import java.util.Objects;
 
+/**
+ * User DTO class
+ */
 public class UserDto {
 
   private String firstName;