Data-Structure-of-BarChart.md

-From 4.0.3.69, we add barchart into the object. Here is the data structure of the bar chart
+From 4.0.3.69, we added barchart into the object. Here is the data structure of the bar chart
 
 ## Fixed Range
 
 The data range will be same as axis range.
 
-For data, here is the format for n groups bar, n is defined in the dialog of PanelMaster
+Here is the format for n groups of bar, "n" is defined in the dialog of PanelMaster
 
 | Sequence | Data | Memo
 | ------ | ------ |---|