code: def check_months(text):
      
      err = "MAU102"
      msg = "Months should be capitalized. '{}' is the preferred form."
  
      list = [
  
          ["January",         ["january"]],
          ["February",        ["february"]],
          # ["March",           ["march"]],
          ["April",           ["april"]],
          # ["May",             ["may"]],
          ["June",            ["june"]],
          ["July",            ["july"]],
          ["August",          ["august"]],
          ["September",       ["september"]],
          ["October",         ["october"]],
          ["November",        ["november"]],
          ["December",        ["december"]],
      ]
  
      return preferred_forms_check(text, list, err, msg, ignore_case=False)
docs: Suggest the preferred forms.