Documentation glitch: support.rst says "3 admins" but has 4.

[aknrdureegaesr]

Better English, once at it.

Pull Request Checklist

• I’ve read the guidelines for contributing.
• I updated AUTHORS.txt and CHANGES.txt (if the change is non-trivial) and documentation (if applicable). Not pertinent, as the change is trivial.
• I tested my changes.

Description

The documentation said there were three administrators, but the table below showed four.

Also, the English was a bit convoluted.