update changelog

Author: beakerandjake

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Fix command text in template README file ([#221](221-generated-readme-file-has-wrong-commands))
 
 ## [1.3.5] - 2023-03-30
 ### Fixed