diff --git a/AppKit/Platform/CPPlatform.j b/AppKit/Platform/CPPlatform.j
index ea156e7bd..1a0dd3b1c 100644
--- a/AppKit/Platform/CPPlatform.j
+++ b/AppKit/Platform/CPPlatform.j
@@ -1,3 +1,24 @@
+/*
+ * CPPlatform.j
+ * AppKit
+ *
+ * Created by Francisco Tolmasky.
+ * Copyright 2010, 280 North, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
 
 @import <Foundation/CPObject.j>
 
diff --git a/AppKit/Platform/CPPlatformString.j b/AppKit/Platform/CPPlatformString.j
index 9f099569a..850fdd4c9 100644
--- a/AppKit/Platform/CPPlatformString.j
+++ b/AppKit/Platform/CPPlatformString.j
@@ -1,4 +1,24 @@
-
+/*
+ * CPPlatformString.j
+ * AppKit
+ *
+ * Created by Francisco Tolmasky.
+ * Copyright 2010, 280 North, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
 
 @import <Foundation/CPObject.j>
 
diff --git a/AppKit/Platform/CPPlatformWindow.j b/AppKit/Platform/CPPlatformWindow.j
index fa1917281..a915f2a17 100644
--- a/AppKit/Platform/CPPlatformWindow.j
+++ b/AppKit/Platform/CPPlatformWindow.j
@@ -1,9 +1,31 @@
+/*
+ * CPPlatformWindow.j
+ * AppKit
+ *
+ * Created by Francisco Tolmasky.
+ * Copyright 2010, 280 North, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
 
 @import <Foundation/CPObject.j>
 
 #import "Platform.h"
 #import "../CoreGraphics/CGGeometry.h"
 
+
 var PrimaryPlatformWindow   = NULL;
 
 @implementation CPPlatformWindow : CPObject