Fix a typo and add IO. [ci skip]

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Kazuhiro NISHIYAMA 2021-11-10 14:09:08 +09:00
parent af74cc7504
commit 56b90cf944
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@ -160,7 +160,7 @@ Outstanding ones only.
* Process.\_fork is added. This is a core method for fork(2).
Do not call this method directly; it is called by existing
fork methods: Kernel.#fork, Process.fork, and popen("=").
fork methods: Kernel.#fork, Process.fork, and IO.popen("-").
Application monitoring libraries can overwride this method to
hook fork event. [[Feature #17795]]