fix: entry moved from unreleased to fixed section

Author: bekhzod91

Diff for: CHANGELOG.md

@@ -6,13 +6,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 - Support `fetch_schema` parameter for a connection (#219).
-- Corrected misspelling in the error code returned.
 
 ### Added
 
 ### Changed
 
 ### Fixed
+- Error code on socket error (#279).
 
 ## 0.11.0 - 2022-12-31