module Category
  def self.bug_risk
    "Bug Risk"
  end

  def self.clarity
    "Clarity"
  end

  def self.compatability
    "Compatibility"
  end

  def self.complexity
    "Complexity"
  end

  def self.duplication
    "Duplication"
  end

  def self.security
    "Security"
  end

  def self.style
    "Style"
  end
end

module Category
  def self.bug_risk
    "Bug Risk"
  end

  def self.clarity
    "Clarity"
  end

  def self.compatibility
    "Compatibility"
  end

  def self.complexity
    "Complexity"
  end

  def self.duplication
    "Duplication"
  end

  def self.security
    "Security"
  end

  def self.style
    "Style"
  end
end

Fix typo (compatability -> compatibility)
Fix typo (compatability -> compatibility)
