include new overload example (#3407)

Author: dsychin

xml/Microsoft.VisualBasic.FileIO/FileSystem.xml

@@ -3400,9 +3400,9 @@
    
   
 ## Examples  
- This example opens a <xref:System.IO.StreamWriter> with the `My.Computer.FileSystem.OpenTextFileWriter` method and uses it to write a string to a text file with the `WriteLine` method of the `StreamWriter` class.  
+ This example opens a <xref:System.IO.StreamWriter> with the `My.Computer.FileSystem.OpenTextFileWriter` method with `Unicode` encoding and uses it to write a string to a text file with the `WriteLine` method of the `StreamWriter` class.  
   
- [!code-vb[VbRefFile#14](~/samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbRefFile/VB/Class1.vb#14)]  
+ [!code-vb[VbRefFile#23](~/samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbRefFile/VB/Class1.vb#23)]  
   
  ]]></format>
         </remarks>