Editing the Doctrine section to improve accuracy and readability#6360

Merged

weaverryan merged 3 commits intosymfony:2.3from natechicago:doc-updates-doctrine-pt1

Mar 17, 2016

+117-114

Commits on Mar 13, 2016

Commits on Mar 16, 2016

Editing the Doctrine section to improve readability.
natechicago
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