diff --git a/src/barchart/qabstractbarseries.cpp b/src/barchart/qabstractbarseries.cpp
index 214d7df..bca0da1 100644
--- a/src/barchart/qabstractbarseries.cpp
+++ b/src/barchart/qabstractbarseries.cpp
@@ -189,6 +189,7 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
 /*!
     This is depreciated constructor.
+    \a parent
 */
 QAbstractBarSeries::QAbstractBarSeries(QObject *parent) :
     QAbstractSeries(*(QAbstractBarSeriesPrivate*)(0),parent)
@@ -384,6 +385,11 @@ bool QAbstractBarSeries::isLabelsVisible() const
     return d->m_labelsVisible;
 }
 
+/*!
+    Sets the grouped drawing mode for bars. If \a grouping is true, then the bars
+    are drawn at same position inside group. Can be used for example to draw negative bars
+    at same position on axis than positive bars.
+*/
 void QAbstractBarSeries::setGrouping(bool grouping)
 {
     Q_D(QAbstractBarSeries);
diff --git a/src/barchart/qabstractbarseries.h b/src/barchart/qabstractbarseries.h
index 6cc678c..e9586d9 100644
--- a/src/barchart/qabstractbarseries.h
+++ b/src/barchart/qabstractbarseries.h
@@ -59,8 +59,6 @@ public:
     void setLabelsVisible(bool visible = true);
     bool isLabelsVisible() const;
 
-    // TODO. Good name for this. This affects how bars are laid out on chart. (for example with pyramid chart)
-    // Also do we support same for stacked and percent bar charts or just normal bar charts?
     void setGrouping(bool grouping = true);
 
 protected:
diff --git a/src/barchart/vertical/bar/qbarseries.cpp b/src/barchart/vertical/bar/qbarseries.cpp
index 970591b..42685c6 100644
--- a/src/barchart/vertical/bar/qbarseries.cpp
+++ b/src/barchart/vertical/bar/qbarseries.cpp
@@ -72,6 +72,9 @@ QAbstractSeries::SeriesType QBarSeries::type() const
     return QAbstractSeries::SeriesTypeBar;
 }
 
+/*!
+    Destructor. Removes series from chart.
+*/
 QBarSeries::~QBarSeries()
 {
     Q_D(QBarSeries);
diff --git a/src/barchart/vertical/percent/qpercentbarseries.cpp b/src/barchart/vertical/percent/qpercentbarseries.cpp
index acf9d91..9ff0da9 100644
--- a/src/barchart/vertical/percent/qpercentbarseries.cpp
+++ b/src/barchart/vertical/percent/qpercentbarseries.cpp
@@ -63,6 +63,9 @@ QPercentBarSeries::QPercentBarSeries(QObject *parent)
 {
 }
 
+/*!
+    Destructor. Removes series from chart.
+*/
 QPercentBarSeries::~QPercentBarSeries()
 {
     Q_D(QPercentBarSeries);
diff --git a/src/barchart/vertical/stacked/qstackedbarseries.cpp b/src/barchart/vertical/stacked/qstackedbarseries.cpp
index 3f39acb..65c8cdd 100644
--- a/src/barchart/vertical/stacked/qstackedbarseries.cpp
+++ b/src/barchart/vertical/stacked/qstackedbarseries.cpp
@@ -64,6 +64,9 @@ QStackedBarSeries::QStackedBarSeries(QObject *parent)
 {
 }
 
+/*!
+    Destructor. Removes series from chart.
+*/
 QStackedBarSeries::~QStackedBarSeries()
 {
     Q_D(QStackedBarSeries);