diff --git a/docs/guide/deploying.md b/docs/guide/deploying.md
index 1351e555b6c..2c703bb935d 100644
--- a/docs/guide/deploying.md
+++ b/docs/guide/deploying.md
@@ -100,6 +100,7 @@ Don't enable options like _Auto Minify_ for HTML code. It will remove comments f
            with:
              github_token: ${{ secrets.GITHUB_TOKEN }}
              publish_dir: docs/.vitepress/dist
+             # cname: example.com # if wanna deploy to custom domain
    ```
 
    ::: tip