RFR: 8273616: Fix trivial doc typos in the java.base module [v2]

[Lance Andersen]

On Fri, 10 Sep 2021 23:20:11 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

>> 8273616: Fix trivial doc typos in the java.base module
>
> Pavel Rappo has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Revert two fixes

Marked as reviewed by lancea (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/5475