Fixes #2342. Additional note on `STAT` relational type.
Merge pull request #2348 from resurtm/fixes-2342

Fixes #2342. Additional note on `STAT` relational type.
 [Uk] Fixing typos
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Merge pull request #2351 from yiiframework-com-ua/uk_docs

 [Uk][Docs] Fixing typos
[ci skip]