docs: fix typo

Author: bednar

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## 2.8.0 [unreleased]
 
 ### Features
-1. [#118](https://github.com/influxdata/influxdb-client-ruby/pull/118): Added `FluxRecord.row` which stores response data in a array
+1. [#118](https://github.com/influxdata/influxdb-client-ruby/pull/118): Add `FluxRecord.row` which stores response data in a array
 
 ## 2.7.0 [2022-07-29]