diff --git a/ktapi/KTAPIAcl.inc.php b/ktapi/KTAPIAcl.inc.php
index a54702d..9f3c835 100644
--- a/ktapi/KTAPIAcl.inc.php
+++ b/ktapi/KTAPIAcl.inc.php
@@ -33,8 +33,12 @@
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
  * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
- * Contributor( s): ______________________________________
  *
+ * @copyright 2008-2009, KnowledgeTree Inc.
+ * @license GNU General Public License version 3
+ * @author KnowledgeTree Team
+ * @package KnowledgeTree API
+ * @version Version 0.9
  */
 
 /**
@@ -43,6 +47,9 @@
  * To create a getter property XXX, implement functions called getXXX().
  * To create a setter property XXX, implement function called setXXX($property).
  *
+ * @author KnowledgeTree Team
+ * @package KnowledgeTree API
+ * @version 0.9
  */
 abstract class KTAPI_Dynamic
 {
diff --git a/ktapi/KTAPIBulkActions.inc.php b/ktapi/KTAPIBulkActions.inc.php
index e6b98bf..776c436 100644
--- a/ktapi/KTAPIBulkActions.inc.php
+++ b/ktapi/KTAPIBulkActions.inc.php
@@ -572,4 +572,4 @@ class KTAPI_BulkActions
         return;
     }
 }
-?>
\ No newline at end of file
+?>
diff --git a/ktapi/KTAPICollection.inc.php b/ktapi/KTAPICollection.inc.php
index 03de34e..4aff24b 100644
--- a/ktapi/KTAPICollection.inc.php
+++ b/ktapi/KTAPICollection.inc.php
@@ -33,10 +33,21 @@
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
  * must display the words "Powered by KnowledgeTree" and retain the original
  * copyright notice.
- * Contributor( s): ______________________________________
  *
+ * @copyright 2008-2009, KnowledgeTree Inc.
+ * @license GNU General Public License version 3
+ * @author KnowledgeTree Team
+ * @package KnowledgeTree API
+ * @version Version 0.9
  */
 
+/**
+ * API for the handling collections within KnowledgeTree
+ *
+ * @author KnowledgeTree Team
+ * @package KnowledgeTree API
+ * @version 0.9
+ */
 class KTAPI_Collection {
 	
 	/**
@@ -72,4 +83,4 @@ class KTAPI_Collection {
 }
 
 
-?>
\ No newline at end of file
+?>
diff --git a/ktapi/KTAPIConstants.inc.php b/ktapi/KTAPIConstants.inc.php
index 058e38b..66dc795 100644
--- a/ktapi/KTAPIConstants.inc.php
+++ b/ktapi/KTAPIConstants.inc.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * $Id$
+ * Generic error messages used in KTAPI.
  *
  * KnowledgeTree Community Edition
  * Document Management Made Simple
@@ -32,8 +32,12 @@
  * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
  * must display the words "Powered by KnowledgeTree" and retain the original 
  * copyright notice.
- * Contributor( s): ______________________________________
  *
+ * @copyright 2008-2009, KnowledgeTree Inc.
+ * @license GNU General Public License version 3
+ * @author KnowledgeTree Team
+ * @package KnowledgeTree API
+ * @version Version 0.9
  */
 
 // Generic error messages used in the API. There may be some others specific to functionality
diff --git a/ktapi/KTAPISession.inc.php b/ktapi/KTAPISession.inc.php
index 1f1c486..b5a692a 100644
--- a/ktapi/KTAPISession.inc.php
+++ b/ktapi/KTAPISession.inc.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * API for the handling the KnowledgeTree session
+ *
  * KnowledgeTree Community Edition
  * Document Management Made Simple
  * Copyright (C) 2008, 2009 KnowledgeTree Inc.
@@ -549,4 +551,4 @@ class KTAPI_SystemSession extends KTAPI_Session
 	}
 }
 
-?>
\ No newline at end of file
+?>