diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..e1cebce
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,12 @@
+# Changelog
+
+## Pong V0.1-SNAPSHOT - Release March 01, 2018
+
+### New Features 
+
+* Implements physical engine for Pong game.
+* Implements Pong game rule.
+* Two players mode by default.
+* Main menu to start the game when the player click on button start.
+* Score menu to show the result after each goal.
+* Play sounds when the ball collides with the wall or rackets.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ee1746f..e38e7c4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-# Contributing to ArcaBox
+# Contributing to Pong
 
 #### Table of contributor-covenant
 
@@ -11,7 +11,7 @@
 
 ## Code of Conduct
 
-This project, and everyone participating in it is governed by the [ArcaBox Code of Conduct](CODE_OF_CONDUCT.md).
+This project, and everyone participating in it is governed by the [Pong Code of Conduct](CODE_OF_CONDUCT.md).
 By participating, you are expected to uphold this code.
 Please report unacceptable behavior to [nic.gille@gmail.com](mailto:nic.gille@gmail.com)
 
@@ -20,12 +20,12 @@ Please report unacceptable behavior to [nic.gille@gmail.com](mailto:nic.gille@gm
 
 ### Reporting Bugs
 
-This section guides you through submitting a bug report for ArcaBox.
+This section guides you through submitting a bug report for Pong.
 Following these guideline helps maintainers and the community understanding your report,
 reproduce the behavior and find related reports.
 
-Before creating a bug reports, check all [issues](https://github.com/Kero76/ArcaBox/issues)
-to check the presence of your bug. If you don't find the bug on [issues](https://github.com/Kero76/ArcaBox/issues),
+Before creating a bug reports, check all [issues](https://github.com/Kero76/Pong/issues)
+to check the presence of your bug. If you don't find the bug on [issues](https://github.com/Kero76/Pong/issues),
 you must create a new bug report include as many details as possible.
 
 > **Note** : If you find a **Closed** issue that seems like it's the same things
@@ -34,12 +34,12 @@ in the body of the new one.
 
 ### Suggesting Enhancements
 
-This section guides you through submitting an enhancement suggestion for ArcaBox,
+This section guides you through submitting an enhancement suggestion for Pong,
 including new features and minor improvements on existing functionality.
 Following these guideline helps maintainers and the community understanding your suggestion
 and find related suggestions.
 
-Before creating enhancement suggestions, please check all [issues](https://github.com/Kero76/ArcaBox/issues)
+Before creating enhancement suggestions, please check all [issues](https://github.com/Kero76/Pong/issues)
 as you might find out that you don't need to create one.
 When you're creating an enhancement suggestion, please include as many details as possible.
 
@@ -60,7 +60,6 @@ When you're creating an enhancement suggestion, please include as many details a
 | :books:                | `:books:`                | When writting **docs** on source code.                                     |
 | :sparkles:             | `:sparkles:`             | When adding new **features**.                                              |
 | :bug:                  | `:bug:`                  | When fixing a **bug**                                                      |
-| :umbrella::            | `:umbrella:`             | When writing **test**.                                                     |
 | :fire:                 | `:fire:`                 | When removing **features** or **file**.                                    |
 | :construction:         | `:construction:`         | When commiting code on **Work in Progress** state.                         |
 | :wrench:               | `:wrench:`               | When updating **settings** or **package manager** file.                    |
diff --git a/README.md b/README.md
index bb3936c..3ca663a 100644
--- a/README.md
+++ b/README.md
@@ -3,20 +3,25 @@ ArcaBox is an acronym for Arcade Box.
 This project contains sources for many arcade games redevelop in Haxe language.
 
 ## How to Contribute ?
-To contribute on ArcaBox, you must read the CONTRIBUTING file
+To contribute on ArcaBox, you must read the CONTRIBUTING(CONTRIBUTING.md) file
 and respect all rules on it.
 
 ## Assets
 
 ### Music 
 
-You can listen and download all musics assets found in [freesound.org](https://freesound.org/)
+You can listen and download all musics assets found in [freesound.org](https://freesound.org/).
+Each sound is convert on .ogg file to 
 
 - [racket.ogg](https://freesound.org/people/NoiseCollector/sounds/4391/)
 - [ball.ogg](https://freesound.org/people/NoiseCollector/sounds/4359/)
 
+## Changelog
+
+* Pong V0.1-SNAPSHOT - Release March 01, 2018
+
 ## License
 This project is under [MIT licence](https://opensource.org/licenses/MIT).
 
 ## Authors
-- Nicolas GILLE <nic.gille@gmail.com>
+* Nicolas GILLE <nic.gille@gmail.com>