Sub FixReferences1()
Dim oRng As Range
    Set oRng = ActiveDocument.Range
    With oRng.Find
        .ClearFormatting
        .Replacement.ClearFormatting
        .Replacement.Font.Bold = False
        .Text = " A2"
        .Replacement.Text = "^pA2"
        .Forward = True
        .Wrap = wdFindContinue
        .Format = True
        .MatchCase = False
        .MatchWholeWord = False
        .MatchAllWordForms = False
        .MatchSoundsLike = False
        .MatchWildcards = False
        .Execute Replace:=wdReplaceAll
    End With
End Sub