diff --git a/components/chmhelp/packages/idehelp/chmlcl.pas b/components/chmhelp/packages/idehelp/chmlcl.pas
index f88a59fc57..ac14a18d05 100644
--- a/components/chmhelp/packages/idehelp/chmlcl.pas
+++ b/components/chmhelp/packages/idehelp/chmlcl.pas
@@ -1,5 +1,27 @@
 unit ChmLcl;
 
+{ Copyright (C) 2011-2014 Mattias Gaertner, Lazarus contributors
+
+  chmlcl.pas
+
+  Help database for Lazarus LCL using lcl.chm.
+
+  This source is free software; you can redistribute it and/or modify it under
+  the terms of the GNU General Public License as published by the Free
+  Software Foundation; either version 2 of the License, or (at your option)
+  any later version.
+
+  This code 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.  See the GNU General Public License for more
+  details.
+
+  A copy of the GNU General Public License is available on the World Wide Web
+  at <http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing
+  to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+  MA 02111-1307, USA.
+}
+
 {$mode objfpc}{$H+}
 
 interface
diff --git a/components/chmhelp/packages/idehelp/lazchmhelp.pas b/components/chmhelp/packages/idehelp/lazchmhelp.pas
index 54b82cbeb7..c8351a1a93 100644
--- a/components/chmhelp/packages/idehelp/lazchmhelp.pas
+++ b/components/chmhelp/packages/idehelp/lazchmhelp.pas
@@ -84,6 +84,7 @@ type
     procedure Assign(Source: TPersistent); override;
     procedure Load(Storage: TConfigStorage); override;
     procedure Save(Storage: TConfigStorage); override;
+    // Get localized name for CHM Help Viewer string
     function GetLocalizedName: string; override;
     function GetHelpEXE: String; // macros resolved, see property HelpEXE
     function GetHelpFilesPath: String; // macros resolved, see property HelpFilesPath