diff --git a/component/src/main/java/com/iluwater/component/BjornPhysicsComponent.java b/component/src/main/java/com/iluwater/component/BjornPhysicsComponent.java
index 137233392..2c602d0a9 100644
--- a/component/src/main/java/com/iluwater/component/BjornPhysicsComponent.java
+++ b/component/src/main/java/com/iluwater/component/BjornPhysicsComponent.java
@@ -1,13 +1,23 @@
 package com.iluwater.component;
 
 import static org.slf4j.LoggerFactory.getLogger;
+
 import org.slf4j.Logger;
 
-
+/**
+ * BjornPhysicsComponent is a class for our main game star
+ * This class creat a Physics component for Bjorn.
+ */
 public class BjornPhysicsComponent implements PhysicsComponent{
 
     private static final Logger LOGGER = getLogger(BjornPhysicsComponent.class);
 
+    /**
+     * This method is a logger for Bjorn when happens a Physics update.
+     * In real scenario, there will be code for Physics Update.
+     *
+     * @param gameObject is a object in the game, here it is Bjorn
+     */
     @Override
     public void update(GameObject gameObject) {
         if(gameObject.getPositionOFx() == gameObject.getPositionOFy()){