Fix some titles on air gap working group page

Why is this change being made?

Fix some titles on air gap working group page to make sure the whole company can find references in handbook and org-chart.

Does this MR meet the acceptance criteria?

Assign to DRI

• Did you assign this change to the correct DRI of the page or information you are changing?

Conformity

• Added description to this MR explaining the reasons for the proposed change, per say-why-not-just-what