diff --git a/utilities/tick-data-conversion/README.md b/utilities/tick-data-conversion/README.md
index 2280244..1f42551 100644
--- a/utilities/tick-data-conversion/README.md
+++ b/utilities/tick-data-conversion/README.md
@@ -14,14 +14,22 @@ Historical tick data is useful when backtesting strategies that depend on intrab
 
 However, data providers provide only a limited amount of historical tick data.
 
-For example, the default NinjaTrader Continuum data feed provides only a year's worth.
-
-IQFeed, my current data provider, provides up to 180 days only.
+For example, the default NinjaTrader Continuum data feed provides only a year's worth. IQFeed, my current data provider, provides up to 180 days only.
 
 In order to obtain more data, it must typically be purchased from a data vendor, but as we've seen, this can be very expensive.
 
 Hence the desire to obtain historical data for a fraction of the cost.
 
+This is where the Historical Data Service provided by Sierra Chart comes in. According to their [documentation](https://www.sierrachart.com/index.php?page=doc/SierraChartHistoricalData.php#Included):
+
+> Tick by tick data for futures contracts on the CME/NYMEX/COMEX/CBOT begins at 2011.
+> 
+> Prior to this the CME/NYMEX/COMEX/CBOT data is in 1 minute units and begins at June 2008. 
+
+In order to access this data, you just need to subscribe to a Sierra Chart service package.
+
+I'm using ```Integrated Standard Sierra Chart (Service Package 10)```, but I believe any service package will do.
+
 ## Exporting Data from Sierra Chart
 
 1. Go to Global Settings > Data / Trade Service Settings.