diff --git a/README.md b/README.md
index fc88581..a84d237 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,21 @@
-Gerrit plugin: RabbitMQ
+gerrit-rabbitmq-plugin: Gerrit event publish plugin via RabbitMQ
 =======================
 
-This plugin can publish gerrit events to message queue provided by RabbitMQ.
+* Author: rinrinne a.k.a. rin_ne
+* Repository: http://github.com/rinrinne/gerrit-rabbitmq-plugin
 
-Now this plugin is available for Gerrit 2.8 only, but you may use this on another version of Gerrit if you modify `Gerrit-ApiVersion` in pom.xml.
+Synopsis
+----------------------
+
+This is Gerrit plugin.
+
+This can publish gerrit events to message queue provided by RabbitMQ.
+Published events are the same as Gerrit stream evnets.
+
+Now available for Gerrit 2.8 only, but you may use this on another version of Gerrit if you modify `Gerrit-ApiVersion` in pom.xml.
 
 Minimum configuration
-=======================
+----------------------
 
 In `rabbitmq.config`
 
@@ -16,3 +25,13 @@
 ```
 
 You should declare exchange named `gerrit.publish` beforehand.
+
+License
+---------------------
+
+Apache 2.0 License
+
+Copyright
+---------------------
+
+Copyright (c) 2013 rinrinne a.k.a. rin_ne
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
index 75811b2..0eeea5f 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/AMQPSession.java
@@ -1,3 +1,17 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed 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 com.googlesource.gerrit.plugins.rabbitmq;
 
 import com.google.inject.Inject;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Keys.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Keys.java
index 57a03ba..b45e25b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Keys.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Keys.java
@@ -1,3 +1,17 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed 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 com.googlesource.gerrit.plugins.rabbitmq;
 
 public enum Keys {
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
index 33fe2b9..14fd285 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/Properties.java
@@ -1,3 +1,17 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed 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 com.googlesource.gerrit.plugins.rabbitmq;
 
 import com.google.gerrit.common.Version;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/RabbitMQManager.java b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/RabbitMQManager.java
index a28918d..d57e304 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/RabbitMQManager.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/rabbitmq/RabbitMQManager.java
@@ -1,3 +1,17 @@
+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed 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 com.googlesource.gerrit.plugins.rabbitmq;
 
 import com.google.gerrit.common.ChangeListener;