minor #317 Fix typo in docs (hanneskaeufler)
minor #317 Fix typo in docs (hanneskaeufler)

This PR was merged into the 3.0.x-dev branch.

Discussion
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Fix typo in docs

Commits
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4a42b02 Fix typo in README

henrikbjorn/ParamConverter,chalasr/SensioFrameworkExtraBundle,sensiolabs/SensioFrameworkExtraBundle,chalasr/SensioFrameworkExtraBundle