Try this.
Code:
Sub test()
Selection.EndKey Unit:=wdLine
Selection.TypeParagraph
Selection.FormFields.Add Range:=Selection.Range, Type:=wdFieldFormTextInput
Selection.Font.Bold = True
Selection.MoveRight Unit:=wdCharacter, Count:=1
Selection.TypeText Text:=":"
Selection.Font.Bold = False
Selection.TypeText Text:=" " 'this is where the spaces were added
Selection.FormFields.Add Range:=Selection.Range, Type:=wdFieldFormTextInput
Selection.HomeKey Unit:=wdLine
Dim aFld As FormField
For Each aFld In Selection.Paragraphs(1).Range.FormFields
aFld.TextInput.EditType Type:=wdRegularText, Default:="", Format:="First capital"
Next aFld
Do While Selection.Paragraphs(1).Range.Bookmarks.Count > 0
Selection.Paragraphs(1).Range.Bookmarks(1).Delete
Loop
End Sub