diff --git a/components/tachart/tachartlazaruspkg.lpk b/components/tachart/tachartlazaruspkg.lpk
index b687aac8ff..15b8b8bf17 100644
--- a/components/tachart/tachartlazaruspkg.lpk
+++ b/components/tachart/tachartlazaruspkg.lpk
@@ -3,7 +3,7 @@
   <Package Version="3">
     <PathDelim Value="\"/>
     <Name Value="TAChartLazarusPkg"/>
-    <Author Value="Luís Rodrigues (lr@neei.uevora.pt)"/>
+    <Author Value="Luís Rodrigues (lr@neei.uevora.pt), Philippe Martinole, Alexander Klenin"/>
     <CompilerOptions>
       <Version Value="8"/>
       <PathDelim Value="\"/>
diff --git a/components/tachart/tagraph.pas b/components/tachart/tagraph.pas
index baa1b61376..050356dafa 100644
--- a/components/tachart/tagraph.pas
+++ b/components/tachart/tagraph.pas
@@ -18,7 +18,7 @@
  *                                                                           *
  *****************************************************************************
 
-Authors: Luís Rodrigues and Philippe Martinole
+Authors: Luís Rodrigues, Philippe Martinole, Alexander Klenin
 
 }
 unit TAGraph;
diff --git a/components/tachart/taseries.pas b/components/tachart/taseries.pas
index 039da8a2b2..c1080c861e 100644
--- a/components/tachart/taseries.pas
+++ b/components/tachart/taseries.pas
@@ -18,7 +18,7 @@
  *                                                                           *
  *****************************************************************************
 
-Authors: Luís Rodrigues and Philippe Martinole
+Authors: Luís Rodrigues, Philippe Martinole, Alexander Klenin
 
 }
 
diff --git a/components/tachart/taserieseditor.pas b/components/tachart/taserieseditor.pas
index 43d1e4cf6c..aa2a775763 100644
--- a/components/tachart/taserieseditor.pas
+++ b/components/tachart/taserieseditor.pas
@@ -1,3 +1,26 @@
+{
+ /***************************************************************************
+                               TASeriesEditor.pas
+                               ----------------
+              Component Library Standard Graph Design-time Editors
+
+
+ ***************************************************************************/
+
+ *****************************************************************************
+ *                                                                           *
+ *  See the file COPYING.modifiedLGPL.txt, included in this distribution,        *
+ *  for details about the copyright.                                         *
+ *                                                                           *
+ *  This program is distributed in the hope that it will be useful,          *
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     *
+ *                                                                           *
+ *****************************************************************************
+
+Author: Alexander Klenin
+
+}
 unit TASeriesEditor;
 
 {$mode objfpc}{$H+}