It appears that hyphens are missing in the adjective “up-to-date”. (UP_TO_DATE_HYPHEN[2]) Suggestions: `up-to-date` URL: https://languagetool.org/insights/post/hyphen/#hyphenated-phrases-with-more-than-one-hyphen Rule: https://community.languagetool.org/rule/show/UP_TO_DATE_HYPHEN?lang=en-US&subId=2 Category: COMPOUNDING