Issue #3573140 by korndevbr: Spelling fixing.

Yevhen Korniievskyirequested to merge
issue/system_status-3573145:3573145-fix-spelling-issues into 8.x-2.x

Issue #3573140 by korndevbr: Fixed spelling in the README.md file. Added words that trigger CSPELL to exceptions.

WARNING. Merge this MR after this one: !7 (merged)

Closes #3573145

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