diff --git a/command/src/main/java/com/iluwatar/App.java b/command/src/main/java/com/iluwatar/App.java
index 5747a801f..0648f8f41 100644
--- a/command/src/main/java/com/iluwatar/App.java
+++ b/command/src/main/java/com/iluwatar/App.java
@@ -1,5 +1,12 @@
 package com.iluwatar;
 
+/**
+ * 
+ * In Command pattern actions are objects that can
+ * be executed and undone. The commands in this example
+ * are spells cast by the wizard on the goblin.
+ *
+ */
 public class App 
 {
     public static void main( String[] args )
diff --git a/command/src/main/java/com/iluwatar/Command.java b/command/src/main/java/com/iluwatar/Command.java
index e4f123029..972c291c3 100644
--- a/command/src/main/java/com/iluwatar/Command.java
+++ b/command/src/main/java/com/iluwatar/Command.java
@@ -1,5 +1,10 @@
 package com.iluwatar;
 
+/**
+ * 
+ * Interface for spells.
+ *
+ */
 public abstract class Command {
 
 	public abstract void execute(Target target);