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Fixes typos in security-passwords.md
small translation fixes
Merge pull request #4877 from freetuts/master

Fixes typos in security-passwords.md
typo fixes [skip ci]
fix translation errors
fix translation errors
fix russian translation errors
Merge pull request #4887 from yupe/master

fix translation errors
another small translation fixes
Merge pull request #4888 from prosophist/translation-rest-response-formatting

[skip ci] Translation of rest-response-formatting.md
Update README.md
fixed return value of yii\web\Request::getPrefferedLanguage

ensure it is one of the input values

fixes #4880
cache controller adjustments and improvements

related to #4792, close #4874