diff --git a/indicators/IndexTopN.cs b/indicators/IndexTopN.cs
index 16aa169..ccdf893 100644
--- a/indicators/IndexTopN.cs
+++ b/indicators/IndexTopN.cs
@@ -136,7 +136,10 @@ namespace NinjaTrader.NinjaScript.Indicators
 
         public override string DisplayName
         {
-            get { return "Index Top " + NumComponents; }
+            get { 
+                string indexName = (TrackingIndex == MarketIndex.NASDAQ) ? "NASDAQ" : "S&P 500";
+                return indexName + " Top " + NumComponents; 
+            }
         }
 
         #region Plots