CHANGELOG.md in fluent-plugin-grepcounter-0.4.0 vs CHANGELOG.md in fluent-plugin-grepcounter-0.4.1

@@ -1,4 +1,10 @@
+## 0.4.1 (2013/11/30)
+
+Features
+
+  - add `remove_tag_prefix` option
+
 ## 0.4.0 (2013/11/30)
 
 Changes
 
   - Change the option name `output_tag` to `tag`. `output_tag` is obsolete.