Update 3 2 open data

3-2-open-data.md

@@ -9,9 +9,9 @@ To open a file or a directory containing multiple files:
 
 
 
-### 2. Using Variables Pane.
+### 2. Using *Variables Pane* to manage variables.
 
-After opening data files, the *Variables Pane* displays a hierarchical tree structure (*File Name* -> *Category Name* or *Vertical Coordinate System* -> *Variables*) of the variables in your data. 
+After opening data files, the *Variables Pane* displays a hierarchical tree structure (*File Name* -> *Category Name* or *Vertical Coordinate System* -> *Variable Name*) of the variables in your data. 
 
 ![](img/3-2-2-variables-pane.png)