diff --git a/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs b/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
index 3922536..bde2579 100644
--- a/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
+++ b/MarketDataLib/Generator/MGSHMomentum/MGSHBacktest.cs
@@ -116,7 +116,7 @@ namespace MarketData.Generator.MGSHMomentum
         MDTrace.WriteLine(LogLevel.DEBUG, String.Format("Adjusting Cash for Position for symbol '{0}' purchased on {1}.  Original Price: {2}  New Price: {3} Change in Cash: {4}", symbol, purchaseDate.ToShortDateString(), Utility.FormatCurrency(position.PurchasePrice), Utility.FormatCurrency(purchasePrice), Utility.FormatCurrency((position.PurchasePrice - purchasePrice) * position.Shares)));
         MDTrace.WriteLine(LogLevel.DEBUG, String.Format("Adjusting R for Position for symbol '{0}' purchased on {1}.  Original R: {2}  New R: {3} ", symbol, purchaseDate.ToShortDateString(), Utility.FormatNumber(position.R, 2), Utility.FormatNumber(position.PositionRiskPercentDecimal * purchasePrice)));
         CashBalance += (position.PurchasePrice - purchasePrice) * position.Shares;
-        position.Comment = (null == position.Comment ? "" : position.Comment + ".") + String.Format("Price changed on {0} from {1} to {2}", DateTime.Now.ToShortDateString(), Utility.FormatCurrency(position.PurchasePrice), Utility.FormatCurrency(purchasePrice));
+        position.Comment = (String.IsNullOrEmpty(position.Comment) ? "" : position.Comment + ".") + String.Format("Price changed on {0} from {1} to {2}", DateTime.Now.ToShortDateString(), Utility.FormatCurrency(position.PurchasePrice), Utility.FormatCurrency(purchasePrice));
         position.PurchasePrice = purchasePrice;
       }
       SaveSession();
@@ -537,7 +537,7 @@ namespace MarketData.Generator.MGSHMomentum
 
       if(startDate != TradeDate)
       {      
-        MDTrace.WriteLine(LogLevel.DEBUG,ConsoleColor.Red,$"Unexpectd StartDate.  Start Date:{startDate.ToShortDateString()} Trade Date:{TradeDate.ToShortDateString()}");
+        MDTrace.WriteLine(LogLevel.DEBUG,ConsoleColor.Red,$"Unexpected StartDate.  Start Date:{startDate.ToShortDateString()} Trade Date:{TradeDate.ToShortDateString()}");
         return new MGSHBacktestResult(false, CashBalance);
       }