Update CHANGELOG.md

Co-authored-by: Alexander Tulchinskiy  <[email protected]>

Author: KaymeKaydex

CHANGELOG.md

@@ -15,6 +15,7 @@ Versioning](http://semver.org/spec/v2.0.0.html) except to the first release.
   `ConnectionPool.controller()` and `ConnectionPool.reconnect()`
 - Methods that are implemented but not included in the pooler interface (#395).
 - Implemented stringer methods for pool.Role (#405).
+
 ### Changed
 
 ### Fixed