Update 3 3 open layer

3-3-open-layer.md

@@ -31,7 +31,7 @@ This new menu category contains two panels.
 *  *Grid Options* panel contains buttons used to set the properties of the layer grid data to extract from the numerical model data.
 *  *Style* panel contains buttons used to set the display properties of the added layer.
 
-Note that the name of the added menu category and its ribbon are displayed differently with different added layer. 
+Note that the name of the added menu category and its ribbon are displayed differently with different added or selected layer (You can select a layer to display on **Rendering Pane** by clicking on that layer in the list in **Layers Pane**). 
 
 
 ### 2. Changing variable on the current layer