Make example code look more like a real Subject.
Make example code look more like a real Subject.

in response to:
https://github.com/google/error-prone/pull/1294#discussion_r293021750

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=253066609

cushon/error-prone,google/error-prone,cushon/error-prone,cushon/error-prone,cushon/error-prone,google/error-prone