ExportData.md

@@ -24,9 +24,9 @@ Click on Raw Channels will export channels as they are stored in data set. The m
 
 Remove selected channels button allows to manually remove some channels in the list. This is a convenient feature to manually compose the list of channels you want to export.     
 
-# Export chunks of data
-If the current data set contains markers defining chunk of data (markers with duration) then this optional page will propose to export only some chunks of data.
-**THIS IS OPTIONAL.**   
+# Export chunks of data (Optional)
+If the current data set contains markers defining chunk of data (markers with duration) then this option lets you choose chunks to export.
+ 
 - Select the marker label matching chunks of data you want to export then click on + button.    
 - Click on - button will remove  current selected marker from the list.   
 Click Next to validate your choice and go forward to the next page.