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Rule "Missing hyphens in compounds"

This is one of many errors that LanguageTool can detect.

Description: Missing hyphens in compounds
Message: When a number forms part of an adjectival compound, use hyphens.
Category: Punctuation (ID: PUNCTUATION)
Link: https://languagetool.org/insights/post/hyphen/#compound-adjectives-with-hyphens
Incorrect sentences
that this rule can detect:
  • Rudolph is a two year old reindeer.
    Correction suggestion: two-year-old
  • She is an adorable 29 year old cat.
    Correction suggestion: 29-year-old
Correct sentences
for comparison:
  • Rudolph is two years old.
  • Rudolph is two years old actually
  • It is located one hour's drive from Barcelona.
ID: MISSING_HYPHEN [1]
Version: 6.6-SNAPSHOT (2024-11-24 22:33:09 +0100)