minor #1253 fix likely typo in param fetcher doc example (francescolaffi)
minor #1253 fix likely typo in param fetcher doc example (francescolaffi)

This PR was merged into the 2.0-dev branch.

Discussion
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fix likely typo in param fetcher doc example

guess the plus got carried over from the other examples, not really important for the explanation of the feature, still it looked wrong

Commits
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b9f5b31 fix likely typo in param fetcher doc example

silverbackdan/FOSRestBundle,silverbackdan/FOSRestBundle