diff --git a/.github/workflows/docker-image-ci.yml b/.github/workflows/docker-image-ci.yml
index 6fbb6ad..e9a750a 100644
--- a/.github/workflows/docker-image-ci.yml
+++ b/.github/workflows/docker-image-ci.yml
@@ -1,4 +1,4 @@
-name: docker-image-ci
+name: docker image ci
 
 on:
   push:
diff --git a/README.md b/README.md
index 36389af..84848d6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 [![license](https://img.shields.io/github/license/peaceiris/actions-gh-pages.svg)](https://github.com/peaceiris/actions-gh-pages/blob/master/LICENSE)
 [![release](https://img.shields.io/github/release/peaceiris/actions-gh-pages.svg)](https://github.com/peaceiris/actions-gh-pages/releases/latest)
 [![GitHub release date](https://img.shields.io/github/release-date/peaceiris/actions-gh-pages.svg)](https://github.com/peaceiris/actions-gh-pages/releases)
-[![GitHub Actions status](https://github.com/peaceiris/actions-gh-pages/workflows/docker-image-ci/badge.svg)](https://github.com/peaceiris/actions-gh-pages/actions)
+[![GitHub Actions status](https://github.com/peaceiris/actions-gh-pages/workflows/docker%20image%20ci/badge.svg)](https://github.com/peaceiris/actions-gh-pages/actions)
 
 <img width="400" alt="GitHub Actions for deploying to GitHub Pages with Static Site Generators" src="./images/ogp.svg">