CHANGELOG.md in fluent-plugin-grepcounter-0.4.1 vs CHANGELOG.md in fluent-plugin-grepcounter-0.4.2

@@ -1,4 +1,10 @@
+## 0.4.2 (2013/12/12)
+
+Features
+
+  - Allow to use `remove_tag_prefix` option alone
+
 ## 0.4.1 (2013/11/30)
 
 Features
 
   - add `remove_tag_prefix` option