Update Get-MessageTraceV2.md

@chrisda to review

Author: ericacho1

exchange/exchange-ps/exchange/Get-MessageTraceV2.md

@@ -49,6 +49,7 @@ Throttling limit: A maximum of 100 query requests will be accepted within 5 minu
 
 Pagination isn't supported in this cmdlet. To query subsequent data, use the StartingRecipientAddress and EndDate parameters with the values from the **Recipient address** and **Received Time** properties respectively of the previous result in the next query.
 
+Best Practices:
 - Use the ResultSize parameter to adjust the size of your results.
 - Be as precise as possible. Narrow the gap between StartDate and EndDate and use additional parameters (for example, SenderAddress) where possible.
 - Use MessageTraceId where possible (required for messages sent to more than 1000 recipients).