diff --git a/demo/examples/legend.html b/demo/examples/legend.html
index aaf6727c..d1ce16cf 100644
--- a/demo/examples/legend.html
+++ b/demo/examples/legend.html
@@ -66,9 +66,9 @@ <h1>Legend</h1>
                 title: {text: 'On Bottom'},
                 timeline: [1, 2, 3, 4, 5],
                 series: [
-                    // {data: [1, 2, 3], color: 'red'},
-                    {data: [2, 4, null, 4, 1], spanGaps: true, color: 'green', type: 'line'},
-                    // {data: [1, 2, 3], color: 'lime', type: 'area'},
+                    {data: [1, 2, 3], color: 'red'},
+                    {data: [1, 2, 3], color: 'green', type: 'area'},
+                    {data: [1, 2, 3], color: 'lime', type: 'area'},
                 ],
                 axes: {
                     y: {values: (u, v) => v.map((x) => x + ' Mb')},