diff --git a/demo.php b/demo.php
index 408cbc7..c15afc9 100644
--- a/demo.php
+++ b/demo.php
@@ -51,6 +51,23 @@ $chart = new NeatCharts\LineChart(randomData(), [
   'fontSize'=>14
 ]);
 echo $chart->render();
+?>
+        <figcaption>Random generated data, loaded right in the page</figcaption>
+      </figure>
+    </section>
+    <section>
+      <h2>Smoothed SVG chart in <code>svg</code> tag</h2>
+      <figure>
+        <?php
+$chart = new NeatCharts\LineChart(randomData(12), [
+  'width'=>300,
+  'height'=>300,
+  'lineColor'=>'#080',
+  'labelColor'=>'#222',
+  'smoothed'=>true,
+  'fontSize'=>14
+]);
+echo $chart->render();
 ?>
         <figcaption>Random generated data, loaded right in the page</figcaption>
       </figure>
@@ -63,8 +80,9 @@ $chart = new NeatCharts\LineChart(randomData(48), [
   'width'=>100,
   'height'=>20,
   'lineColor'=>'#000',
+  'markerColor'=>'#F00',
   'smoothed'=>false,
-  'fontSize'=>2,
+  'fontSize'=>4,
   'yAxisEnabled'=>false,
   'xAxisEnabled'=>false
 ]);
diff --git a/src/NeatCharts/LineChart.php b/src/NeatCharts/LineChart.php
index 840c091..019aba0 100644
--- a/src/NeatCharts/LineChart.php
+++ b/src/NeatCharts/LineChart.php
@@ -167,7 +167,7 @@ namespace NeatCharts {
       $this->output = '<svg viewBox="-'.( $this->padding['left'] ).' -'.( $this->padding['top'] ).' '.( $this->options['width'] ).' '.( $this->options['height'] ).'" width="'.( $this->options['width'] ).'" height="'.( $this->options['height'] ).'" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
     <defs>
       <marker id="SVGChart-markerCircle-'.( $chartID ).'" markerWidth="2" markerHeight="2" refX="1" refY="1" markerUnits="strokeWidth">
-        <circle cx="1" cy="1" r="1" style="stroke: none; fill:'.( $this->options['lineColor'] ).';" />
+        <circle cx="1" cy="1" r="1" style="stroke: none; fill:'.( $this->options['markerColor'] ).';" />
       </marker>
       <linearGradient id="SVGChart-fadeFromNothing-'.( $chartID ).'" x1="0%" y1="0%" x2="100%" y2="0%">
         <stop offset="0.5%" stop-color="'.( $this->options['lineColor'] ).'" stop-opacity="0"></stop>
diff --git a/src/NeatCharts/NeatChart.php b/src/NeatCharts/NeatChart.php
index fd46984..bb442b3 100644
--- a/src/NeatCharts/NeatChart.php
+++ b/src/NeatCharts/NeatChart.php
@@ -5,6 +5,7 @@ namespace NeatCharts {
       'width' => 800,
       'height' => 250,
       'lineColor' => '#000',
+      'markerColor' => '#000',
       'labelColor' => '#000',
       'smoothed' => false,
       'fontSize' => 15,