diff --git a/src/barchart/qbarseries.cpp b/src/barchart/qbarseries.cpp
index d0c61e0..0a39fee 100644
--- a/src/barchart/qbarseries.cpp
+++ b/src/barchart/qbarseries.cpp
@@ -274,6 +274,10 @@ BarChartModel& QBarSeries::modelInternal()
     return *m_internalModel;
 }
 
+/*!
+     \fn bool QBarSeries::setModel(QAbstractItemModel *model)
+     Sets the \a model to be used as a data source
+ */
 bool QBarSeries::setModel(QAbstractItemModel *model)
 {
     // disconnect signals from old model
diff --git a/src/barchart/qbarseries.h b/src/barchart/qbarseries.h
index 3444b0c..9428738 100644
--- a/src/barchart/qbarseries.h
+++ b/src/barchart/qbarseries.h
@@ -58,7 +58,6 @@ public:
     void setLabelsVisible(bool visible = true);
 
     bool setModel(QAbstractItemModel *model);
-//    QAbstractItemModel *modelExt() { return m_model; }
     void setModelMapping(int categories, int bottomBoundry, int topBoundry, Qt::Orientation orientation = Qt::Vertical);
     void setModelMappingShift(int first, int count);
 
diff --git a/src/piechart/qpieseries.cpp b/src/piechart/qpieseries.cpp
index 51f16ff..96f014e 100644
--- a/src/piechart/qpieseries.cpp
+++ b/src/piechart/qpieseries.cpp
@@ -630,6 +630,10 @@ qreal QPieSeries::total() const
     \sa pieSize(), setPieSize()
 */
 
+/*!
+     \fn bool QPieSeries::setModel(QAbstractItemModel *model)
+     Sets the \a model to be used as a data source
+ */
 bool QPieSeries::setModel(QAbstractItemModel* model)
 {
     Q_D(QPieSeries);
diff --git a/src/qseries.h b/src/qseries.h
index 0d368ba..b968e34 100644
--- a/src/qseries.h
+++ b/src/qseries.h
@@ -54,6 +54,7 @@ public:
     // TODO
     virtual bool setModel(QAbstractItemModel* /*model*/) { return false; }
     QAbstractItemModel* model() const { return m_model; }
+
     void setName(QString name) { m_name = name; }
     QString name() const { return m_name; }
 
diff --git a/src/xychart/qxyseries.h b/src/xychart/qxyseries.h
index 1bce264..e802790 100644
--- a/src/xychart/qxyseries.h
+++ b/src/xychart/qxyseries.h
@@ -62,7 +62,6 @@ public:
     QBrush brush() const {return m_brush;}
 
     bool setModel(QAbstractItemModel *model);
-//    QAbstractItemModel* model() const { return m_model; }
 
     virtual void setModelMapping(int modelX, int modelY, Qt::Orientation orientation = Qt::Vertical);
     virtual void setModelMappingRange(int first, int count = 0);