update changelog

Author: mikeebowen

CHANGELOG.md

@@ -5,9 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [1.0.0] - 2021-09-01
+## [1.0.1] - 2021-09-03
 
-Initial release of OOXML Validator
+### Fixed
+
+- Display correct error message when dotnet runtime extension is missing [#2](https://github.com/mikeebowen/ooxml-validator-vscode/issues/2)
+
+### Added
+
+- Updated README badges
+- Created my free logo at [LogoMakr.com](https://logomakr.com/).
+
+## [1.0.0] - 2021-09-02
 
 ### Added