Error: Invalid Frontmatter

Path: /home/rogermil/public_html/user/pages/05.How to/default.md

Failed to read /home/rogermil/public_html/user/pages/05.How to/default.md: Unable to parse at line 1 (near "title:How to").

---
title:How to
menu: Roger makes jewellery
onpage_menu: True
body_classes: "modular header-image fullwidth"

content:
  Write some content here for your audience to read Roger, get your shit together!
    items: @self.modular
    order:
        by: default
        dir: asc
        custom:
            - _showcase

            - _highlights

            - _callout

            - _bottom

            - _contact
---