CHANGELOG.md in fluent-plugin-chatwork-2.0.0 vs CHANGELOG.md in fluent-plugin-chatwork-2.0.1

@@ -1,7 +1,13 @@
 # Changelog
 ## master
-[full changelog](https://github.com/sue445/fluent-plugin-chatwork/compare/v2.0.0...master)
+[full changelog](https://github.com/sue445/fluent-plugin-chatwork/compare/v2.0.1...master)
+
+## 2.0.1
+[full changelog](https://github.com/sue445/fluent-plugin-chatwork/compare/v2.0.0...v2.0.1)
+
+* Add desc for more usability
+  * https://github.com/sue445/fluent-plugin-chatwork/pull/14
 
 ## 2.0.0
 [full changelog](https://github.com/sue445/fluent-plugin-chatwork/compare/v1.0.1...v2.0.0)
 
 * Migrate to use fluentd v0.14 API