CHANGELOG.md in embulk-input-mixpanel-0.5.4 vs CHANGELOG.md in embulk-input-mixpanel-0.5.5

@@ -1,6 +1,6 @@
 ## 0.5.4 - 2017-08-15
-* [bug] Fix a bug when `fetch_days` is 1 plugin will fetch 2 days instead of 1
+* [bug] Fix a bug when `fetch_days` is 1 plugin will fetch 2 days instead of 1 [#51](https://github.com/treasure-data/embulk-input-mixpanel/pull/51)
 
 ## 0.5.3 - 2017-08-07
 * [enhancement] Allow user to choose to run incremental or not `incremental` option default to true [#50](https://github.com/treasure-data/embulk-input-mixpanel/pull/50)
 * [enhancement] Allow user to specify an `incremental_column`, which will be add to the where praramter is API requests[#50](https://github.com/treasure-data/embulk-input-mixpanel/pull/50)
 * [enhancement] Allow user to specifiy backfill days, this `back_fill_time` option will tell plugin how many days we look back for data [#50](https://github.com/treasure-data/embulk-input-mixpanel/pull/50)