grrr, versionadded does not work in tables?
fix stupid versionadded error
Merge pull request #553 from epc/DOCS-978-mongodb-232

DOCS-978 fix error introduced by versionadded in table
another versionadded thing
Merge pull request #554 from epc/DOCS-978-mongodb-232

another versionadded thing
Minor grammar adjustments
minor: typo correction