diff --git a/src/Monolog/Handler/ExceptionTestHandler.php b/src/Monolog/Handler/ExceptionTestHandler.php
index 697e573b..f16db609 100644
--- a/src/Monolog/Handler/ExceptionTestHandler.php
+++ b/src/Monolog/Handler/ExceptionTestHandler.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\Logger;
diff --git a/src/Monolog/Handler/FilterHandler.php b/src/Monolog/Handler/FilterHandler.php
index 8f4d2a07..dc810676 100644
--- a/src/Monolog/Handler/FilterHandler.php
+++ b/src/Monolog/Handler/FilterHandler.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\Logger;
diff --git a/src/Monolog/Handler/RollbarHandler.php b/src/Monolog/Handler/RollbarHandler.php
index fb02ad60..81abf086 100644
--- a/src/Monolog/Handler/RollbarHandler.php
+++ b/src/Monolog/Handler/RollbarHandler.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use RollbarNotifier;
diff --git a/src/Monolog/Handler/WhatFailureGroupHandler.php b/src/Monolog/Handler/WhatFailureGroupHandler.php
index e873f673..187b3441 100644
--- a/src/Monolog/Handler/WhatFailureGroupHandler.php
+++ b/src/Monolog/Handler/WhatFailureGroupHandler.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 /**
diff --git a/tests/Monolog/Handler/ErrorLogHandlerTest.php b/tests/Monolog/Handler/ErrorLogHandlerTest.php
index 626f5f9f..951dec9d 100644
--- a/tests/Monolog/Handler/ErrorLogHandlerTest.php
+++ b/tests/Monolog/Handler/ErrorLogHandlerTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\TestCase;
diff --git a/tests/Monolog/Handler/FilterHandlerTest.php b/tests/Monolog/Handler/FilterHandlerTest.php
index 76253c16..31b7686a 100644
--- a/tests/Monolog/Handler/FilterHandlerTest.php
+++ b/tests/Monolog/Handler/FilterHandlerTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\Logger;
diff --git a/tests/Monolog/Handler/SyslogUdpHandlerTest.php b/tests/Monolog/Handler/SyslogUdpHandlerTest.php
index 05fb8cd2..8bd46b3a 100644
--- a/tests/Monolog/Handler/SyslogUdpHandlerTest.php
+++ b/tests/Monolog/Handler/SyslogUdpHandlerTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 /**
diff --git a/tests/Monolog/Handler/UdpSocketTest.php b/tests/Monolog/Handler/UdpSocketTest.php
index f53f03ff..b251974e 100644
--- a/tests/Monolog/Handler/UdpSocketTest.php
+++ b/tests/Monolog/Handler/UdpSocketTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\TestCase;
diff --git a/tests/Monolog/Handler/WhatFailureGroupHandlerTest.php b/tests/Monolog/Handler/WhatFailureGroupHandlerTest.php
index f9695b44..29508afa 100644
--- a/tests/Monolog/Handler/WhatFailureGroupHandlerTest.php
+++ b/tests/Monolog/Handler/WhatFailureGroupHandlerTest.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Monolog\Handler;
 
 use Monolog\TestCase;