Oceniono na 1 z 5 możliwych gwiazdek

There are common words missing from the English part, like:
Things, weeks, examples, words, missing (!)
Not sure if there is a conflict or something else, I just installed this and chose multilingual dictionary.

Oceniono na 4 z 5 możliwych gwiazdek

Multilingual means several, not only 2, that's bilingual.