Update CONTRIBUTING.md

Co-authored-by: Kotaro Yoshimoto <[email protected]>

CONTRIBUTING.md

@@ -63,7 +63,7 @@ Your changes proposed in your pull request will be tested automatically by the f
 | [![Documentation](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Documentation.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Documentation.yaml)                            | Build the documentation sites.                                                       |
 | [![DocumentationLinkCheck](https://github.com/tier4/scenario_simulator_v2/actions/workflows/DocumentationLinkCheck.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/DocumentationLinkCheck.yaml) | Checking the URLs in documentation are valid.                                        |
 | [![LineLint](https://github.com/tier4/scenario_simulator_v2/actions/workflows/LineLint.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/LineLint.yaml)                                           | Checking text files contain the blank line at the end of the files.                  |
-| [![Release](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Release.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Release.yaml)                                              | Bump new version and create release. This workflow works on merge queue.             |
+| [![Release](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Release.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/Release.yaml)                                              | Bump new version and create a release. This workflow works on merge queue.           |
 | [![SpellCheck](https://github.com/tier4/scenario_simulator_v2/actions/workflows/SpellCheck.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/SpellCheck.yaml)                                     | Run a spell checker and add warnings to the PR.                                      |
 
 If you contribute to the documentation, your changes should pass the checks below: