Update 3 3 open layer

3-3-open-layer.md

@@ -16,7 +16,7 @@ After opening data files, you can add layers to the 3D-image in the **Rendering
 
 
  
-After adding a layer, such as *Horizontal Plane*, **Rendering Pane** displays data of the selected variable on the layer, **Layers Pane** displays the added layer, and **Actions Pane** displays the *Add layer* action.
+After adding a layer, such as *Horizontal Plane*, **Rendering Pane** displays data of the selected variable on the layer, **Layers Pane** displays the layer name, and **Actions Pane** displays the *Add layer* action.
 
 ![](img/3-3-1-add-layer-result.png)