Fixed typo in CHANGELOG.md (#1249)

CHANGELOG.md

@@ -12,7 +12,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ## [42.2.3] (2018-07-12)
 ### Changed
-- Reduce the severity of the erorr log messages when an exception is re-thrown. The error will be 
+- Reduce the severity of the error log messages when an exception is re-thrown. The error will be 
 thrown to caller to be dealt with so no need to log at this verbosity by pgjdbc  [PR 1187](https://github.com/pgjdbc/pgjdbc/pull/1187)
 - Deprecate Fastpath API [PR 903](https://github.com/pgjdbc/pgjdbc/pull/903)
 - Support parenthesis in {oj ...} JDBC escape syntax [PR 1204](https://github.com/pgjdbc/pgjdbc/pull/1204)