diff --git a/.github/workflows/pr_test_format.yml b/.github/workflows/pr_test_format.yml
index 4b8a105..67737f1 100644
--- a/.github/workflows/pr_test_format.yml
+++ b/.github/workflows/pr_test_format.yml
@@ -22,4 +22,4 @@ jobs:
         run: npm install
 
       - name: Run Prettier check
-        run: npx prettier --check ./**/md
+        run: npx prettier --check ./**/*.md