{% data reusables.pages.navigate-site-repo %}
{% data reusables.pages.navigate-publishing-source %}
{% data reusables.files.add-file %}
3. In the file name field, type 404.html or 404.md.
4. If you named your file 404.md, add the following YAML front matter to the beginning of the file:
---permalink:/404.html---
Below the YAML front matter, if present, add the content you want to display on your 404 page.
{% data reusables.files.write_commit_message %}
{% data reusables.files.choose-commit-email %}
{% data reusables.files.choose_commit_branch %}
{% data reusables.files.propose_new_file %}
4. If you named your file