Update 4 4 vertical vector field

4-4-vertical-vector-field.md

@@ -16,14 +16,14 @@ Open your data file(s), using _Open Data_ buttons on the _Home_ menu category of
 
 In order to visualize the distribution of the variable on a layer, you can either
 
-* click the _Add Vector Plane_ button on _Layer_ menu category, select options, and then click "OK", or 
-* right-click one of u/v components of wind on the _Variables Pane_, select _'Add Vector Plane'_. 
+* click the _Add Vector Cross-section_ button on _Layer_ menu category, select options, and then click "OK", or 
+* right-click one of u/v components of wind on the _Variables Pane_, select _'Add Vector Cross-section'_. 
 
 _Rendering Pane_ will immediately display the vector field of wind, and a new layer will be added to the _Layers Pane_. By default, wind flow will be shown using wind vectors (arrows) at each grid points.
 
 ##### 3. Change the visualization style - wind vector vs. wind barbs vs. streamlines (optional).
 
-On _Vector Plane_ menu category of _Menu Bar_, you can select one of the following visualization styles:
+On _Vector Cross-section_ menu category of _Menu Bar_, you can select one of the following visualization styles:
 
 * Wind vector : show distribution using arrows with variable length & color
 * Wind barbs : show distribution using wind barbs
@@ -46,7 +46,7 @@ On _Horizontal Plane_ menu category of _Menu Bar_, you will find _Vertical Level
 You can control the size and location of the plane by using _Rendering Pane_ only. To do this, you do :
   1. switch from _Globe_ mode to _Map_ mode,
   2. double-click one of the corners of the plane, to reveal the control handles,
-  3. drag the control handles to change the size and/or height of the plane. 
+  3. drag the control handles to change the size and location of the plane. 
 
 
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