diff --git a/HTMLSamples/grid/append-rows-on-demand.html b/HTMLSamples/grid/append-rows-on-demand.html
index 0ed119d..66015bb 100644
--- a/HTMLSamples/grid/append-rows-on-demand.html
+++ b/HTMLSamples/grid/append-rows-on-demand.html
@@ -91,7 +91,7 @@ <h3>$$(AppendRowsOnDemand_Button_Caption)</h3>
         });
 
         $('#autoAppendRowsOnDemand').igGrid({
-            dataSource: 'http://igniteui.com/api/tweets',
+            dataSource: 'https://igniteui.com/api/tweets',
             responseDataKey: 'Records',
             autoGenerateColumns: false,
             enableUTCDates: true,
@@ -119,7 +119,7 @@ <h3>$$(AppendRowsOnDemand_Button_Caption)</h3>
         });
 
         $('#buttonAppendRowsOnDemand').igGrid({
-            dataSource: 'http://igniteui.com/api/tweets',
+            dataSource: 'https://igniteui.com/api/tweets',
             responseDataKey: 'Records',
             autoGenerateColumns: false,
             enableUTCDates: true,