diff --git a/Tools/nib2cib/NSDate.j b/Tools/nib2cib/NSDate.j
index 135f51c49..c2ef402e6 100644
--- a/Tools/nib2cib/NSDate.j
+++ b/Tools/nib2cib/NSDate.j
@@ -1,8 +1,9 @@
 /*
- * NSDatePicker.j
+ * NSDate.j
  * nib2cib
  *
- * Created by cacaodev.
+ * Created by Francisco Tolmasky.
+ * Copyright 2008, 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
@@ -37,4 +38,4 @@
     return [CPDate class];
 }
 
-@end
\ No newline at end of file
+@end
diff --git a/Tools/nib2cib/NSDatePicker.j b/Tools/nib2cib/NSDatePicker.j
index 871c7a313..3e80b0fef 100644
--- a/Tools/nib2cib/NSDatePicker.j
+++ b/Tools/nib2cib/NSDatePicker.j
@@ -2,7 +2,8 @@
  * NSDatePicker.j
  * nib2cib
  *
- * Created by cacaodev.
+ * Created by Alexendre Wilhelm.
+ * Copyright 2013 The Cappuccino Foundation.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/Tools/nib2cib/NSExpression.j b/Tools/nib2cib/NSExpression.j
index 7fc3bf309..53be868c5 100644
--- a/Tools/nib2cib/NSExpression.j
+++ b/Tools/nib2cib/NSExpression.j
@@ -1,3 +1,25 @@
+/*
+ * NSExpression.j
+ * nib2cib
+ *
+ * Created by Klaas Pieter Annema.
+ * Copyright 2011.
+ *
+ * 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/CPExpression.j>
 @import <Foundation/_CPKeyPathExpression.j>
 @import <Foundation/_CPSetExpression.j>
diff --git a/Tools/nib2cib/NSTableCellView.j b/Tools/nib2cib/NSTableCellView.j
index 6a2ff3723..1d9ea83b9 100644
--- a/Tools/nib2cib/NSTableCellView.j
+++ b/Tools/nib2cib/NSTableCellView.j
@@ -1,3 +1,24 @@
+/*
+ * NSPredicateEditor.j
+ * nib2cib
+ *
+ * Created by cacaodev.
+ * Copyright 2012.
+ *
+ * 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 <AppKit/CPTableView.j>