More PHPdoc fixes

[braders]

Overview

A brief description of the pull request. Keep technical jargon to a minimum. Hyperlink relevant discussions.

Before

What is the old user-interface or technical-contract (as appropriate)?
For optimal clarity, include a concrete example such as a screenshot, GIF (LICEcap, SilentCast), or code-snippet.

After

What changed? What is new old user-interface or technical-contract?
For optimal clarity, include a concrete example such as a screenshot, GIF (LICEcap, SilentCast), or code-snippet.

Technical Details

If the PR involves technical details/changes/considerations which would not be manifest to a casual developer skimming the above sections, please describe the details here.

Comments

Anything else you would like the reviewer to note

[civibot]

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