flinkbot commented on issue #9888: [hotfix][doc]fix typos in richfunction
URL: https://github.com/apache/flink/pull/9888#issuecomment-541391905
## CI report:
* b37d86b0fbc58892a68e821239b7083dffc46d75 : UNKNOWN
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flinkbot commented on issue #9888: [hotfix][doc]fix typos in richfunction
URL: https://github.com/apache/flink/pull/9888#issuecomment-541391094
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