minor #3313 Fix incorrect filter class name in example in docs (bocharsky-bw)
minor #3313 Fix incorrect filter class name in example in docs (bocharsky-bw)

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

Discussion
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Fix incorrect filter class name in example in docs

Commits
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747263ec Fix incorrect filter class name in example in docs

javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle