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 # Hackcal
 
-This script is using [PHP ICS Parser](https://github.com/u01jmg3/ics-parser) to parse ics files, e.g. from Nextcloud. The output is an very simple json for embedding the calender into html websites. Its presorted by days and preformatted to use less js on client side for date interpretation.
+This script is using [PHP ICS Parser](https://github.com/u01jmg3/ics-parser) to parse ics files, e.g. from Nextcloud. The output is an very simple json for embedding the calender into html websites. Its presorted by days and preformatted to use less js on client side for date interpretation. The server part requires `php-intl`
 
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