Range.InsertBefore (Word)

Inserts the specified text before the specified range.

After the text is inserted, the range is expanded to include the new text. If the range is a bookmark, the bookmark is also expanded to include the next text. You can insert characters such as quotation marks, tab characters, and nonbreaking hyphens by using the Visual Basic Chr function with the InsertBefore method. You can also use the following Visual Basic constants: vbCr, vbLf, vbCrLf and vbTab.

InsertBefore (Text)

Text: The text to be inserted.

With ActiveDocument.Content 
 .InsertParagraphBefore 
 .InsertBefore "Introduction" 
End With