diff --git a/client/src/org/compiere/apps/AMenuStartItem.java b/client/src/org/compiere/apps/AMenuStartItem.java
index 7b9cb4e1b4..5164a4d462 100644
--- a/client/src/org/compiere/apps/AMenuStartItem.java
+++ b/client/src/org/compiere/apps/AMenuStartItem.java
@@ -27,7 +27,8 @@ import org.compiere.util.*;
 
 
 /**
- *	Start Menu Item  & UpdateProgress Bar
+ *	Start application action ( process, workflow, window, form, task )
+ *  of a menu item ( ad_menu ) or workflow node ( ad_wf_node ).
  *
  * 	@author 	Jorg Janke
  * 	@version 	$Id: AMenuStartItem.java,v 1.2 2006/07/30 00:51:27 jjanke Exp $
diff --git a/client/src/org/compiere/apps/APanel.java b/client/src/org/compiere/apps/APanel.java
index 916e65543e..0a390942f2 100644
--- a/client/src/org/compiere/apps/APanel.java
+++ b/client/src/org/compiere/apps/APanel.java
@@ -34,7 +34,7 @@ import org.compiere.swing.*;
 import org.compiere.util.*;
 
 /**
- *	Main Application Panel.
+ *	Main Panel of application window.
  *  <pre>
  *  Structure:
  *      (MenuBar) -> to be added to owning window
diff --git a/client/src/org/compiere/apps/AppsAction.java b/client/src/org/compiere/apps/AppsAction.java
index df3eb2398d..0480a38775 100644
--- a/client/src/org/compiere/apps/AppsAction.java
+++ b/client/src/org/compiere/apps/AppsAction.java
@@ -24,7 +24,7 @@ import org.compiere.util.*;
 
 /**
  *  Application Action.
- *		Creates Action with MenuItem and Button
+ *		Creates Action with MenuItem and Button, delegate execution of action to an attached ActionListener instance
  *		The ActionCommand is translated for display
  *		If translated text contains &, the next character is the Mnemonic
  *