diff --git a/pom.xml b/pom.xml
index 2821ca7..9be8d97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright 2011 The Netty Project
+  ~ Copyright 2012 The Netty Project
   ~
   ~ The Netty Project licenses this file to you under the Apache License,
   ~ version 2.0 (the "License"); you may not use this file except in compliance
   ~ with the License. You may obtain a copy of the License at:
   ~
-  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~   http://www.apache.org/licenses/LICENSE-2.0
   ~
   ~ Unless required by applicable law or agreed to in writing, software
   ~ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
diff --git a/src/main/java/io/netty/build/checkstyle/SuppressionFilter.java b/src/main/java/io/netty/build/checkstyle/SuppressionFilter.java
index 4dc743a..85d4900 100644
--- a/src/main/java/io/netty/build/checkstyle/SuppressionFilter.java
+++ b/src/main/java/io/netty/build/checkstyle/SuppressionFilter.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2012 The Netty Project
+ *
+ * The Netty Project licenses this file to you under the Apache License,
+ * version 2.0 (the "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at:
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
 package io.netty.build.checkstyle;
 
 import java.util.regex.Pattern;
diff --git a/src/main/resources/io/netty/checkstyle.xml b/src/main/resources/io/netty/checkstyle.xml
index 4d36255..ea84cb1 100644
--- a/src/main/resources/io/netty/checkstyle.xml
+++ b/src/main/resources/io/netty/checkstyle.xml
@@ -1,4 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2012 The Netty Project
+  ~
+  ~ The Netty Project licenses this file to you under the Apache License,
+  ~ version 2.0 (the "License"); you may not use this file except in compliance
+  ~ with the License. You may obtain a copy of the License at:
+  ~
+  ~   http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+  ~ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+  ~ License for the specific language governing permissions and limitations
+  ~ under the License.
+  -->
 <!DOCTYPE module PUBLIC
   "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
   "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">