fix(scf) pagetitle in guide

[fapo85]

Description

Fixes the display of the page title in the scf guide.
This will then display the title correctly in the menu.

Checklist

• Issue was linked above
• Code format was applied: make fmt
• [] Examples were added / adjusted (see examples/ directory)
• Docs are up-to-date: make generate-docs (will be checked by CI)
• Unit tests got implemented or updated
• Acceptance tests got implemented or updated (see e.g. here)
• Unit tests are passing: make test (will be checked by CI)
• No linter issues: make lint (will be checked by CI)