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-napi
-====
+# napi
 
-napi downloader based on code from https://sites.google.com/site/napipy/
+Unofficial [Napi](http://www.napiprojekt.pl/) downloader based on code from [napipy](https://sites.google.com/site/napipy/).
+
+## Usage
+
+`napi [-l LANGUAGE] movie [movie ...]`
+
+* `LANGUAGE` selects fetched subtitle language. This is mostly uppercase two-letter language code with exception of english language, which is `ENG`.
+* `movie` is a filename for movie for which to search subtitles.
+
+## Requirements
+
+[7zip](http://www.7-zip.org/) binary as `7z` on path.