diff --git a/.github/workflows/auto-update.yml b/.github/workflows/auto-update.yml
index d782c47..3094b76 100644
--- a/.github/workflows/auto-update.yml
+++ b/.github/workflows/auto-update.yml
@@ -83,7 +83,7 @@ jobs:
           name: scraping-result
           path: /tmp/scraping-result.txt
       - name: Test
-        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in illustrative examples in documents"
+        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in documentation examples"
       - name: Update README
         run: |
           CHROME_VERSION=${{ steps.chrome-versions.outputs.CHROME_VERSION }}
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index b8b2dde..e459524 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -30,6 +30,6 @@ jobs:
       - name: Invoke
         run: sls invoke --function demo |& tee /tmp/scraping-result.txt
       - name: Check
-        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in illustrative examples in documents"
+        run: cat /tmp/scraping-result.txt | grep -q "This domain is for use in documentation examples"
       - name: Clean up (ECR costs)
         run: sls remove
diff --git a/.github/workflows/demo-test.yml b/.github/workflows/demo-test.yml
index ea880eb..316a1f2 100644
--- a/.github/workflows/demo-test.yml
+++ b/.github/workflows/demo-test.yml
@@ -31,4 +31,4 @@ jobs:
           sls create --template-url "https://github.com/umihico/docker-selenium-lambda/tree/main" --path docker-selenium-lambda && cd $_
           sls deploy
           sls invoke --function demo |& tee /tmp/scraping-result.txt
-          cat /tmp/scraping-result.txt | grep -q "This domain is for use in illustrative examples in documents"
+          cat /tmp/scraping-result.txt | grep -q "This domain is for use in documentation examples"