diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7233dba48c9..e9692943848 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -73,7 +73,7 @@ If you contribute to the documentation, your changes should pass the checks belo
 | [![CheckBranchUpToDate](https://github.com/tier4/scenario_simulator_v2/actions/workflows/CheckBranchUpToDate.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/CheckBranchUpToDate.yaml)          | Checking the branch is up to date. This workflow works on merge queue.   |
 | [![CheckLabel](https://github.com/tier4/scenario_simulator_v2/actions/workflows/CheckLabel.yaml/badge.svg)](https://github.com/tier4/scenario_simulator_v2/actions/workflows/CheckLabel.yaml)                                     | Checking the label for version control is labeled.                       |
 | [![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 URL in documentation is valid.                              |
+| [![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.                            |
 | [![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.                          |