Try this one for a different approach which applies styles which is the direction you 'should' be taking.
Code:
Sub FormatMyLists()
With Options
.AutoFormatApplyHeadings = True
.AutoFormatApplyLists = True
.AutoFormatApplyBulletedLists = True
.AutoFormatApplyOtherParas = True
.AutoFormatReplaceQuotes = False
.AutoFormatReplaceSymbols = False
.AutoFormatReplaceOrdinals = False
.AutoFormatReplaceFractions = False
.AutoFormatReplacePlainTextEmphasis = False
.AutoFormatReplaceHyperlinks = True
.AutoFormatPreserveStyles = False
.AutoFormatPlainTextWordMail = True
End With
ActiveDocument.Kind = wdDocumentNotSpecified
ActiveDocument.Range.AutoFormat
ActiveDocument.Styles("List").Font.Bold = True
End Sub