diff --git a/src/linechart/qlineseries.cpp b/src/linechart/qlineseries.cpp
index f3bb7a4..ba25b17 100644
--- a/src/linechart/qlineseries.cpp
+++ b/src/linechart/qlineseries.cpp
@@ -56,12 +56,6 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE
 */
 
 /*!
-   \fn QPen QLineSeries::linePen() const
-   \brief  Returns the pen used to draw line connecting points.
-    \sa setPen()
-*/
-
-/*!
     Constructs empty series object which is a child of \a parent.
     When series object is added to QChartView or QChart instance ownerships is transfered.
 */
diff --git a/src/piechart/qpieseries.cpp b/src/piechart/qpieseries.cpp
index 0e94289..2b5db36 100644
--- a/src/piechart/qpieseries.cpp
+++ b/src/piechart/qpieseries.cpp
@@ -225,6 +225,14 @@ bool QPieSeriesPrivate::setRealValue(qreal &value, qreal newValue, qreal max, qr
 */
 
 /*!
+    \property qreal QPieSeries::horizontalPosition
+    \brief Pie horizontal postion property
+
+    By default horizontal postion is 0
+*/
+
+
+/*!
     Constructs a series object which is a child of \a parent.
 */
 QPieSeries::QPieSeries(QObject *parent) :
@@ -406,7 +414,7 @@ QList<QPieSlice*> QPieSeries::slices() const
 }
 
 /*!
-    Sets the horizontal center position of the pie to \relativePosition. If \relativePosition is
+    Sets the horizontal center position of the pie to \a relativePosition. If \a relativePosition is
     set to  0.0 the pie is drawn on the left side of the chart and if it's set to 1.0 the pie is
     drawn on right side of the chart. The default value 0.5 puts the pie in the middle.
 
@@ -420,7 +428,7 @@ void QPieSeries::setHorizontalPosition(qreal relativePosition)
 }
 
 /*!
-    Sets the vertical center position of the pie to \relativePosition. If \relativePosition is
+    Sets the vertical center position of the pie to \a relativePosition. If \a relativePosition is
     set to  0.0 the pie is drawn on the top of the chart and if it's set to 1.0 the pie is drawn
     on bottom of the chart. The default value 0.5 puts the pie in the middle.
 
diff --git a/src/piechart/qpieslice.cpp b/src/piechart/qpieslice.cpp
index 5871936..9bbf1d3 100644
--- a/src/piechart/qpieslice.cpp
+++ b/src/piechart/qpieslice.cpp
@@ -226,6 +226,7 @@ qreal QPieSlice::labelArmLengthFactor() const
     \fn void QPieSlice::clicked(Qt::MouseButtons buttons)
 
     This signal is emitted when user has clicked the slice.
+    Parameter \a buttons hold the information about the clicked mouse buttons.
 
     \sa QPieSeries::clicked()
 */
diff --git a/src/qchart.cpp b/src/qchart.cpp
index 3dc586d..e2bcdb2 100644
--- a/src/qchart.cpp
+++ b/src/qchart.cpp
@@ -66,7 +66,7 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE
  Constructs a chart object which is a child of a\a parent. Parameter \a wFlags is passed to the QGraphicsWidget constructor.
  */
 QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
-d_ptr(new QChartPrivate())
+    d_ptr(new QChartPrivate())
 {
     d_ptr->m_legend = new  ScrolledQLegend(this);
     d_ptr->m_legend->setVisible(false);
@@ -131,6 +131,9 @@ void QChart::setBackgroundBrush(const QBrush& brush)
     d_ptr->m_presenter->m_backgroundItem->update();
 }
 
+/*!
+    Gets the brush that is used for painting the background of the chart area.
+ */
 QBrush QChart::backgroundBrush() const
 {
     //TODO: refactor me
@@ -149,6 +152,9 @@ void QChart::setBackgroundPen(const QPen& pen)
     d_ptr->m_presenter->m_backgroundItem->update();
 }
 
+/*!
+    Gets the pen that is used for painting the background of the chart area.
+ */
 QPen QChart::backgroundPen() const
 {
     //TODO: refactor me
@@ -180,7 +186,7 @@ QString QChart::title() const
 }
 
 /*!
- Sets the \a font that is used for rendering the description text that is rendered above the chart.
+ Sets the \a font that is used for drawing the chart description text that is rendered above the chart.
  */
 void QChart::setTitleFont(const QFont& font)
 {
@@ -190,6 +196,9 @@ void QChart::setTitleFont(const QFont& font)
     d_ptr->m_presenter->updateLayout();
 }
 
+/*!
+    Gets the font that is used for drawing the chart description text that is rendered above the chart.
+ */
 QFont QChart::titleFont() const
 {
     if (d_ptr->m_presenter->m_titleItem)
@@ -271,7 +280,8 @@ QChartAxis* QChart::axisX() const
 }
 
 /*!
- Returns the pointer to the y axis object of the chart
+ Returns the pointer to the y axis object of the \a series
+ If no \a series is provided then default Y axis of the chart is returned.
  */
 QChartAxis* QChart::axisY(QSeries* series) const
 {
@@ -286,6 +296,10 @@ QLegend* QChart::legend() const
     return d_ptr->m_legend;
 }
 
+/*!
+    Returns the rect that contains information about margins (distance between chart widget edge and axes).
+    Individual margins can be obtained by calling left, top, right, bottom on the returned rect.
+ */
 QRectF QChart::margins() const
 {
     return d_ptr->m_presenter->margins();
@@ -318,26 +332,41 @@ QChart::AnimationOptions QChart::animationOptions() const
     return d_ptr->m_presenter->animationOptions();
 }
 
+/*!
+    Scrolls the visible area of the chart to the left by the distance between two x axis ticks
+ */
 void QChart::scrollLeft()
 {
     d_ptr->m_presenter->scroll(-d_ptr->m_presenter->chartGeometry().width()/(axisX()->ticksCount()-1),0);
 }
 
+/*!
+    Scrolls the visible area of the chart to the right by the distance between two x axis ticks
+ */
 void QChart::scrollRight()
 {
     d_ptr->m_presenter->scroll(d_ptr->m_presenter->chartGeometry().width()/(axisX()->ticksCount()-1),0);
 }
 
+/*!
+    Scrolls the visible area of the chart up by the distance between two y axis ticks
+ */
 void QChart::scrollUp()
 {
     d_ptr->m_presenter->scroll(0,d_ptr->m_presenter->chartGeometry().width()/(axisY()->ticksCount()-1));
 }
 
+/*!
+    Scrolls the visible area of the chart down by the distance between two y axis ticks
+ */
 void QChart::scrollDown()
 {
     d_ptr->m_presenter->scroll(0,-d_ptr->m_presenter->chartGeometry().width()/(axisY()->ticksCount()-1));
 }
 
+/*!
+    Sets the chart background visibility state to \a visible
+ */
 void QChart::setBackgroundVisible(bool visible)
 {
     //TODO: refactor me
@@ -345,6 +374,9 @@ void QChart::setBackgroundVisible(bool visible)
     d_ptr->m_presenter->m_backgroundItem->setVisible(visible);
 }
 
+/*!
+    Returns the chart's background visibility state
+ */
 bool QChart::isBackgroundVisible() const
 {
     //TODO: refactor me
@@ -355,9 +387,9 @@ bool QChart::isBackgroundVisible() const
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 QChartPrivate::QChartPrivate():
-m_legend(0),
-m_dataset(0),
-m_presenter(0)
+    m_legend(0),
+    m_dataset(0),
+    m_presenter(0)
 {
 
 }
@@ -369,12 +401,12 @@ QChartPrivate::~QChartPrivate()
 
 void QChartPrivate::createConnections()
 {
-   QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
-   QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_legend,SLOT(handleSeriesRemoved(QSeries*)));
-   QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_presenter,SLOT(handleSeriesAdded(QSeries*,Domain*)));
-   QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_presenter,SLOT(handleSeriesRemoved(QSeries*)));
-   QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),m_presenter,SLOT(handleAxisAdded(QChartAxis*,Domain*)));
-   QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),m_presenter,SLOT(handleAxisRemoved(QChartAxis*)));
+    QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
+    QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_legend,SLOT(handleSeriesRemoved(QSeries*)));
+    QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_presenter,SLOT(handleSeriesAdded(QSeries*,Domain*)));
+    QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_presenter,SLOT(handleSeriesRemoved(QSeries*)));
+    QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),m_presenter,SLOT(handleAxisAdded(QChartAxis*,Domain*)));
+    QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),m_presenter,SLOT(handleAxisRemoved(QChartAxis*)));
 }
 
 #include "moc_qchart.cpp"
diff --git a/src/qseries.cpp b/src/qseries.cpp
index f55b8c6..6243ab8 100644
--- a/src/qseries.cpp
+++ b/src/qseries.cpp
@@ -68,6 +68,11 @@
 */
 
 /*!
+    \fn QAbstractItemModel* QSeries::model() const
+    \brief Returns the pointer to the model that is used as the series data source
+*/
+
+/*!
     \property QString QSeries::name
     \brief name of the series property
 */