diff --git a/doc/src/examples-barchart.qdoc b/doc/src/examples-barchart.qdoc
index 289a328..2fc81da 100644
--- a/doc/src/examples-barchart.qdoc
+++ b/doc/src/examples-barchart.qdoc
@@ -8,7 +8,8 @@
     \image examples_barchart.png
 	
     Data that barchart visualizes, is defined by QBarSet instances. Here we create some sets and append data
-    we want to visualize to them. Note that first and third QPointF in each set have smaller intervals at their x coordinates. This will be reflected in the chart.
+    we want to visualize to them. Note that x positions are not in even intervals and this will be reflected in the chart.
+	If x positions aren't defined, then the index of value is assumed to be x position.
 
     \snippet ../examples/barchart/main.cpp 1
 
@@ -17,6 +18,7 @@
     \snippet ../examples/barchart/main.cpp 2
     
     Next we create a chart and add the series to it.
+	We also set the title for chart
 
     \snippet ../examples/barchart/main.cpp 3
 
diff --git a/doc/src/examples-groupedbarchart.qdoc b/doc/src/examples-groupedbarchart.qdoc
index 79eded3..fb31db5 100644
--- a/doc/src/examples-groupedbarchart.qdoc
+++ b/doc/src/examples-groupedbarchart.qdoc
@@ -6,23 +6,22 @@
     The example shows how to create simple bar chart. GroupedBarChart shows the data in sets as separate bars, which are grouped in categories.
 
     \image examples_groupedbarchart.png
-	
-    First we define categories.
+
+    Data that groupedbarchart visualizes, is defined by QBarSet instances. Here we create the sets and append data
+    to them.
 
     \snippet ../examples/groupedbarchart/main.cpp 1
 
-    Data that groupedbarchart visualizes, is defined by QBarSet instances. Here we create some sets and append data
-    we want to visualize to them.
+    We create the series and append the sets to it. The grouped barseries groups the data from sets to categories.
+	First value of each set are gropuped together at first category second value to second category and so on.
 
     \snippet ../examples/groupedbarchart/main.cpp 2
 
-    To combine the sets and categories to a chart, we need to create QBarSeries instance. When creating
-	the QBarSeries, the categories must be known. Sets can be added later. For example purposes the sets
-	are added to series here.
+    Then we create a chart and add the series to it.
 
     \snippet ../examples/groupedbarchart/main.cpp 3
     
-    Then we create a chart and add the series to it.
+	We define the categories here and add them to the x-axis.
 
     \snippet ../examples/groupedbarchart/main.cpp 4
 
diff --git a/examples/barchart/main.cpp b/examples/barchart/main.cpp
index 0813aa0..4e39e6e 100644
--- a/examples/barchart/main.cpp
+++ b/examples/barchart/main.cpp
@@ -55,7 +55,7 @@ int main(int argc, char *argv[])
 //![3]
     QChart* chart = new QChart();
     chart->addSeries(series);
-    chart->setTitle("Simple barchart example");
+    chart->setTitle("Barchart example");
 //![3]
 
 //![4]
diff --git a/examples/groupedbarchart/main.cpp b/examples/groupedbarchart/main.cpp
index 80a3a93..a31e51c 100644
--- a/examples/groupedbarchart/main.cpp
+++ b/examples/groupedbarchart/main.cpp
@@ -47,7 +47,6 @@ int main(int argc, char *argv[])
 
 //![2]
     QGroupedBarSeries* series = new QGroupedBarSeries();
-//    series->setCategories(categories);
     series->append(set0);
     series->append(set1);
     series->append(set2);