diff --git a/MarketDataLib/CNNProcessing/ImageHelper.cs b/MarketDataLib/CNNProcessing/ImageHelper.cs
index 26d2694..1c364ca 100644
--- a/MarketDataLib/CNNProcessing/ImageHelper.cs
+++ b/MarketDataLib/CNNProcessing/ImageHelper.cs
@@ -164,6 +164,7 @@ namespace MarketData.CNNProcessing
 			return memoryStream;
 		}
 
+    // Convert bitmap to stream for use in CNNClient
     public Stream ToStream()
     {
 			Validate();