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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/#hyphenated-numbers-and-fractions-numerals
Incorrect sentences
that this rule can detect:
  • The decision requires a two thirds majority.
    Correction suggestion: two-thirds
Correct sentences
for comparison:
  • Only a majority of two thirds would be enough.
ID: MISSING_HYPHEN [3]
Version: 6.8-SNAPSHOT (2025-11-04 22:33:08 +0100)