diff --git a/src/Collection.php b/src/Collection.php
index 72116b5..a13b6a3 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 abstract class Collection
diff --git a/src/CoreFunc.php b/src/CoreFunc.php
index 9f5a30b..c3a8b69 100644
--- a/src/CoreFunc.php
+++ b/src/CoreFunc.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 use Closure;
diff --git a/src/Env.php b/src/Env.php
index 60f39ef..6aced54 100644
--- a/src/Env.php
+++ b/src/Env.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Env extends Hash
diff --git a/src/Evaller.php b/src/Evaller.php
index c2b6126..acad0e4 100644
--- a/src/Evaller.php
+++ b/src/Evaller.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Evaller
diff --git a/src/Func.php b/src/Func.php
index bff3688..54c8faf 100644
--- a/src/Func.php
+++ b/src/Func.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 use Closure;
diff --git a/src/Hash.php b/src/Hash.php
index 48a1365..d404ef3 100644
--- a/src/Hash.php
+++ b/src/Hash.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Hash extends Collection
diff --git a/src/Lib/Collections.php b/src/Lib/Collections.php
index 9561665..1d2029d 100644
--- a/src/Lib/Collections.php
+++ b/src/Lib/Collections.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Collection;
diff --git a/src/Lib/Compare.php b/src/Lib/Compare.php
index 6ea83d7..e29aa4c 100644
--- a/src/Lib/Compare.php
+++ b/src/Lib/Compare.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Collection;
diff --git a/src/Lib/Core.php b/src/Lib/Core.php
index 1d64c5c..234c503 100644
--- a/src/Lib/Core.php
+++ b/src/Lib/Core.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Collection;
diff --git a/src/Lib/Database.php b/src/Lib/Database.php
index a889832..5d4ad4a 100644
--- a/src/Lib/Database.php
+++ b/src/Lib/Database.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use PDO;
diff --git a/src/Lib/Http.php b/src/Lib/Http.php
index 78631f0..6afb69c 100644
--- a/src/Lib/Http.php
+++ b/src/Lib/Http.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/ILib.php b/src/Lib/ILib.php
index 2dfdd35..0824eb5 100644
--- a/src/Lib/ILib.php
+++ b/src/Lib/ILib.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Env;
diff --git a/src/Lib/IO.php b/src/Lib/IO.php
index 3da2abd..09ba36c 100644
--- a/src/Lib/IO.php
+++ b/src/Lib/IO.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/Json.php b/src/Lib/Json.php
index 132e690..d0312f5 100644
--- a/src/Lib/Json.php
+++ b/src/Lib/Json.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Collection;
diff --git a/src/Lib/Math.php b/src/Lib/Math.php
index a3c4643..6a50030 100644
--- a/src/Lib/Math.php
+++ b/src/Lib/Math.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/Regex.php b/src/Lib/Regex.php
index c3ec237..54a64df 100644
--- a/src/Lib/Regex.php
+++ b/src/Lib/Regex.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/Strings.php b/src/Lib/Strings.php
index 49791e5..c826e44 100644
--- a/src/Lib/Strings.php
+++ b/src/Lib/Strings.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/Time.php b/src/Lib/Time.php
index ced0eba..c82da3c 100644
--- a/src/Lib/Time.php
+++ b/src/Lib/Time.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\CoreFunc;
diff --git a/src/Lib/Types.php b/src/Lib/Types.php
index 1c5a565..6078c2b 100644
--- a/src/Lib/Types.php
+++ b/src/Lib/Types.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp\Lib;
 
 use MadLisp\Collection;
diff --git a/src/Lisp.php b/src/Lisp.php
index c847880..20ccc06 100644
--- a/src/Lisp.php
+++ b/src/Lisp.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Lisp
diff --git a/src/LispFactory.php b/src/LispFactory.php
index 5114143..a7cfdae 100644
--- a/src/LispFactory.php
+++ b/src/LispFactory.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class LispFactory
diff --git a/src/MList.php b/src/MList.php
index cf3a4dc..4322125 100644
--- a/src/MList.php
+++ b/src/MList.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class MList extends Seq
diff --git a/src/MadLispException.php b/src/MadLispException.php
index 5715647..95aecd6 100644
--- a/src/MadLispException.php
+++ b/src/MadLispException.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class MadLispException extends \Exception
diff --git a/src/MadLispUserException.php b/src/MadLispUserException.php
index 9c9971e..fd14a17 100644
--- a/src/MadLispUserException.php
+++ b/src/MadLispUserException.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class MadLispUserException extends \Exception
diff --git a/src/Printer.php b/src/Printer.php
index 24e024d..5a1491c 100644
--- a/src/Printer.php
+++ b/src/Printer.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Printer
diff --git a/src/Reader.php b/src/Reader.php
index 4ae9ae5..3b3dbf5 100644
--- a/src/Reader.php
+++ b/src/Reader.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Reader
diff --git a/src/Seq.php b/src/Seq.php
index bc04873..49d7a78 100644
--- a/src/Seq.php
+++ b/src/Seq.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 abstract class Seq extends Collection
diff --git a/src/Symbol.php b/src/Symbol.php
index 2e77fd5..daad08c 100644
--- a/src/Symbol.php
+++ b/src/Symbol.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Symbol
diff --git a/src/Tokenizer.php b/src/Tokenizer.php
index 2ae2ba4..6b2b482 100644
--- a/src/Tokenizer.php
+++ b/src/Tokenizer.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Tokenizer
diff --git a/src/UserFunc.php b/src/UserFunc.php
index 9c3bc9b..3c1f64f 100644
--- a/src/UserFunc.php
+++ b/src/UserFunc.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 use Closure;
diff --git a/src/Util.php b/src/Util.php
index 18319df..8f01e3e 100644
--- a/src/Util.php
+++ b/src/Util.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Util
diff --git a/src/Vector.php b/src/Vector.php
index e3b0cd3..5c850fe 100644
--- a/src/Vector.php
+++ b/src/Vector.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * MadLisp language
+ * @link http://madlisp.com/
+ * @copyright Copyright (c) 2020 Pekka Laiho
+ */
+
 namespace MadLisp;
 
 class Vector extends Seq