DOCS-1052: rst correction
DOCS-1050 fixing reference repetition.
Update source/includes/fact-replica-set-sync-from-is-temporary.rst

DOCS-1028 updated behavior of replSetSyncFrom for 2.4.
edit replica set sync from note
Fix typo
DOCS-1049 add projection argument in findOne method ref
merge: DOCS-1049
merge: typo fix