Update 3 2 open data

3-2-open-data.md

@@ -21,8 +21,11 @@ By default, the variables are grouped by category and displayed with ID. You can
 
 ![](img/3-2-2-variables-grouping.png)
 
-*  You can filter variables by clicking *Filtering* button .
+*  You can display name or ID of variables by clicking *Text* button.
+
+![](img/3-2-2-variables-text.png)
 
+*  You can filter variables by clicking *Filtering* button .
 
 ![](img/3-2-2-variables-filtering.png)