Fix spelling of data center

[maximiliankolb]

What changes are you introducing?

fix spelling and order

Why are you introducing these changes? (Explanation, links to references, issues, etc.)

to make vale happy

Anything else to add? (Considerations, potential downsides, alternative solutions you have explored, etc.)

found while working on https://github.com/theforeman/foreman-documentation/pull/3469/files

Checklists

• I am okay with my commits getting squashed when you merge this PR.
• I am familiar with the contributing guidelines.

Please cherry-pick my commits into:

• Foreman 3.13/Katello 4.15
• Foreman 3.12/Katello 4.14 (Satellite 6.16)
• Foreman 3.11/Katello 4.13 (orcharhino 6.11 on EL8 only)
• Foreman 3.10/Katello 4.12
• Foreman 3.9/Katello 4.11 (Satellite 6.15; orcharhino 6.8/6.9/6.10)
• Foreman 3.8/Katello 4.10
• Foreman 3.7/Katello 4.9 (Satellite 6.14)
• We do not accept PRs for Foreman older than 3.7.

[github-actions]

The PR preview for 36c2907 is available at theforeman-foreman-documentation-preview-pr-3507.surge.sh

The following output files are affected by this PR:

• Provisioning_Hosts/index-foreman-deb.html
• Provisioning_Hosts/index-foreman-el.html
• Provisioning_Hosts/index-katello.html
• Provisioning_Hosts/index-orcharhino.html
• Provisioning_Hosts/index-satellite.html

show diff

show diff as HTML

[maximiliankolb]

Merged to "master" and cherry-picked to "3.13":
b9acc60..db57013 3.13 -> 3.13