diff --git a/examples/areachart/main.cpp b/examples/areachart/main.cpp
index 62b76fd..2f7f3a2 100644
--- a/examples/areachart/main.cpp
+++ b/examples/areachart/main.cpp
@@ -29,6 +29,7 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QLineSeries* series0 = new QLineSeries();
     QLineSeries* series1 = new QLineSeries();
@@ -40,6 +41,7 @@ int main(int argc, char *argv[])
     *series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) << QPointF(12, 3)
         << QPointF(16, 4) << QPointF(18, 3);
 //![2]
+
 //![3]
     QAreaSeries* series = new QAreaSeries(series0, series1);
     QPen pen(0x059605);
@@ -52,6 +54,7 @@ int main(int argc, char *argv[])
     gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
     series->setBrush(gradient);
 //![3]
+
 //![4]
     QChart* chart = new QChart();
     chart->addSeries(series);
@@ -59,15 +62,18 @@ int main(int argc, char *argv[])
     chart->axisX()->setRange(0, 20);
     chart->axisY()->setRange(0, 10);
 //![4]
+
 //![5]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![5]
+
 //![6]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![6]
+
     return a.exec();
 }
diff --git a/examples/barchart/main.cpp b/examples/barchart/main.cpp
index 9c31404..b5bb808 100644
--- a/examples/barchart/main.cpp
+++ b/examples/barchart/main.cpp
@@ -29,10 +29,12 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QBarCategories categories;
     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
 //![1]
+
 //![2]
     QBarSet *set0 = new QBarSet("Jane");
     QBarSet *set1 = new QBarSet("John");
@@ -46,6 +48,7 @@ int main(int argc, char *argv[])
     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
 //![2]
+
 //![3]
     QBarSeries* series = new QBarSeries(categories);
     series->appendBarSet(set0);
@@ -54,20 +57,24 @@ int main(int argc, char *argv[])
     series->appendBarSet(set3);
     series->appendBarSet(set4);
 //![3]
+
 //![4]
     QChart* chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple barchart example");
 //![4]
+
 //![5]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![5]
+
 //![6]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![6]
+
     return a.exec();
 }
diff --git a/examples/customchart/main.cpp b/examples/customchart/main.cpp
index a3095bd..c7e98c5 100644
--- a/examples/customchart/main.cpp
+++ b/examples/customchart/main.cpp
@@ -35,14 +35,17 @@ int main(int argc, char *argv[])
     blue.setWidth(3);
     series->setPen(blue);
 //![1]
+
 //![2]
     *series << QPointF(0, 6) << QPointF(2, 4) << QPointF(3, 8) << QPointF(7, 4) << QPointF(10,5);
 //![2]
+
 //![3]
     QChart* chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple customchart example");
 //![3]
+
 //![4]
     QFont font;
     font.setPixelSize(18);
@@ -57,6 +60,7 @@ int main(int argc, char *argv[])
     backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
     chart->setBackgroundBrush(backgroundGradient);
 //![4]
+
 //![5]
     QPen black(Qt::black);
     QChartAxis* axisX = chart->axisX();
@@ -72,6 +76,7 @@ int main(int argc, char *argv[])
     axisY->setShadesBrush(Qt::white);
     axisY->setShadesVisible(true);
 //![5]
+
 //![6]
     QChartAxisCategories* categoriesX = chart->axisX()->categories();
     categoriesX->insert(1,"low");
@@ -83,21 +88,25 @@ int main(int argc, char *argv[])
     categoriesY->insert(5,"med");
     categoriesY->insert(10,"fast");
 //![6]
+
 //![7]
     axisX->setRange(0,10);
     axisX->setTicksCount(4);
     axisY->setRange(0,10);
     axisY->setTicksCount(4);
 //![7]
+
 //![8]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![8]
+
 //![9]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![9]
+
     return a.exec();
 }
diff --git a/examples/linechart/main.cpp b/examples/linechart/main.cpp
index 4dcf418..9f6f634 100644
--- a/examples/linechart/main.cpp
+++ b/examples/linechart/main.cpp
@@ -28,12 +28,14 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QLineSeries* series = new QLineSeries();
     QPen red(Qt::red);
     red.setWidth(3);
     series->setPen(red);
 //![1]
+
 //![2]
     series->append(0, 6);
     series->append(2, 4);
@@ -42,20 +44,24 @@ int main(int argc, char *argv[])
     series->append(10, 5);
     *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
 //![2]
+
 //![3]
     QChart* chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple line chart example");
 //![3]
+
 //![4]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![4]
+
 //![5]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![5]
+
     return a.exec();
 }
diff --git a/examples/percentbarchart/main.cpp b/examples/percentbarchart/main.cpp
index 39d0381..da2d546 100644
--- a/examples/percentbarchart/main.cpp
+++ b/examples/percentbarchart/main.cpp
@@ -29,10 +29,12 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QBarCategories categories;
     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
 //![1]
+
 //![2]
     QBarSet *set0 = new QBarSet("Jane");
     QBarSet *set1 = new QBarSet("John");
@@ -46,6 +48,7 @@ int main(int argc, char *argv[])
     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
 //![2]
+
 //![3]
     QPercentBarSeries* series = new QPercentBarSeries(categories);
     series->appendBarSet(set0);
@@ -54,21 +57,25 @@ int main(int argc, char *argv[])
     series->appendBarSet(set3);
     series->appendBarSet(set4);
 //![3]
+
 //![4]
     QChart* chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple precentbarchart example");
 //![4]
+
 //![5]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![5]
+
 //![6]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![6]
+
     return a.exec();
 }
 
diff --git a/examples/scatterchart/main.cpp b/examples/scatterchart/main.cpp
index 30d41ff..ab62f58 100644
--- a/examples/scatterchart/main.cpp
+++ b/examples/scatterchart/main.cpp
@@ -28,6 +28,7 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QPen pen(Qt::black);
     pen.setWidth(2);
@@ -56,6 +57,7 @@ int main(int argc, char *argv[])
 
     *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
 //![2]
+
 //![3]
     QChart* chart = new QChart();
 
@@ -63,15 +65,18 @@ int main(int argc, char *argv[])
     chart->addSeries(series1);
     chart->setTitle("Simple scatterchart example");
 //![3]
+
 //![4]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![4]
+
 //![5]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![5]
+
     return a.exec();
 }
diff --git a/examples/stackedbarchart/main.cpp b/examples/stackedbarchart/main.cpp
index dc08d1b..52ce044 100644
--- a/examples/stackedbarchart/main.cpp
+++ b/examples/stackedbarchart/main.cpp
@@ -29,10 +29,12 @@ QTCOMMERCIALCHART_USE_NAMESPACE
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
+
 //![1]
     QBarCategories categories;
     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
 //![1]
+
 //![2]
     QBarSet *set0 = new QBarSet("Jane");
     QBarSet *set1 = new QBarSet("John");
@@ -46,6 +48,7 @@ int main(int argc, char *argv[])
     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
     *set4 << 9 << 7 << 5 << 3 << 1 << 2;
 //![2]
+
 //![3]
     QStackedBarSeries* series = new QStackedBarSeries(categories);
     series->appendBarSet(set0);
@@ -54,21 +57,25 @@ int main(int argc, char *argv[])
     series->appendBarSet(set3);
     series->appendBarSet(set4);
 //![3]
+
 //![4]
     QChart* chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple stackedbarchart example");
 //![4]
+
 //![5]
     QChartView* chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
 //![5]
+
 //![6]
     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(400, 300);
     window.show();
 //![6]
+
     return a.exec();
 }
 
diff --git a/examples/zoomlinechart/main.cpp b/examples/zoomlinechart/main.cpp
index bac21d6..faa3b26 100644
--- a/examples/zoomlinechart/main.cpp
+++ b/examples/zoomlinechart/main.cpp
@@ -40,10 +40,12 @@ int main(int argc, char *argv[])
     red.setWidth(3);
     series1->setPen(red);
 //![1]
+
 //![2]
     *series0 << QPointF(0, 6) << QPointF(2, 4) << QPointF(3, 8) << QPointF(7, 4) << QPointF(10, 5);
     *series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
 //![2]
+
 //![3]
     QChart* chart = new QChart();
 
@@ -52,15 +54,18 @@ int main(int argc, char *argv[])
     chart->setTitle("Zoom in/out chart example");
     chart->setAnimationOptions(QChart::AllAnimations);
 //![3]
+
 //![4]
      ChartView* chartView = new ChartView(chart);
      chartView->setRenderHint(QPainter::Antialiasing);
 //![4]
+
 //![5]
      QMainWindow window;
      window.setCentralWidget(chartView);
      window.resize(400, 300);
      window.show();
 //![5]
+
     return a.exec();
 }