diff --git a/src/sesim/AutoTraderBase.java b/src/sesim/AutoTraderBase.java
index 93d9cf5..b77e9ab 100644
--- a/src/sesim/AutoTraderBase.java
+++ b/src/sesim/AutoTraderBase.java
@@ -65,7 +65,8 @@ public abstract class AutoTraderBase implements AutoTraderInterface, TimerTaskRu
         return name;
     }
 
-    //  @Override
+   
+    @Override
     public long getID() {
         return id;
     }
@@ -75,6 +76,7 @@ public abstract class AutoTraderBase implements AutoTraderInterface, TimerTaskRu
         return se.getAccount(account_id);
     }
 
+    @Override
     public void init(Exchange se, long id, String name, double money, double shares, JSONObject cfg) {
         this.account_id = se.createAccount(money, shares);
         se.getAccount(account_id).owner = this;
diff --git a/src/sesim/AutoTraderInterface.java b/src/sesim/AutoTraderInterface.java
index 59ecdda..72c35ea 100644
--- a/src/sesim/AutoTraderInterface.java
+++ b/src/sesim/AutoTraderInterface.java
@@ -29,7 +29,7 @@ import javax.swing.JDialog;
 import org.json.JSONObject;
 
 /**
- *
+ * Interface for auto traders
  * @author 7u83 <7u83@mail.ru>
  */
 public interface AutoTraderInterface {
@@ -38,16 +38,42 @@ public interface AutoTraderInterface {
 
     public abstract String getDisplayName();
 
+    /**
+     * Get a graphical user interface to configure the auto trader.
+     * @return an AutoTraderGui object or null if there is no graphical
+     * user interface available.
+     */
     public abstract AutoTraderGui getGui();
 
     public abstract JDialog getGuiConsole();
 
+    /**
+     * Get current configuration of the auto trader as JSON object.
+     * @return JSONObject containing the configuration
+     */
     public abstract JSONObject getConfig();
 
+    /**
+     * Set the configuration for auto trader by a JSON object.
+     * @param cfg the configuration
+     */
     public abstract void putConfig(JSONObject cfg);
 
+    /**
+     * Return the name of the auto trader.
+     * @return name
+     */
     public abstract String getName();
 
+    /**
+     * Initialize the auto trader
+     * @param se Exechange to trade on
+     * @param id 
+     * @param name Name of auto trader
+     * @param money Money 
+     * @param shares Number of shares
+     * @param cfg 
+     */
     public void init(Exchange se, long id, String name, double money, double shares, JSONObject cfg);
 
     public Exchange.Account getAccount();
diff --git a/src/traders/ManTrader/ManTrader.java b/src/traders/ManTrader/ManTrader.java
index 6d82ce4..ad8ae5c 100644
--- a/src/traders/ManTrader/ManTrader.java
+++ b/src/traders/ManTrader/ManTrader.java
@@ -55,6 +55,7 @@ public class ManTrader extends AutoTraderBase implements AccountListener, AutoTr
 
     }
 
+    @Override
     public void init(Exchange se, long id, String name, double money, double shares, JSONObject cfg) {
         super.init(se, id, name, money, shares, cfg);
         getAccount().setListener(this);