Update scopes doc with combined mode

content/module-reference/utility-modules/shared/scopes.md

@@ -7,7 +7,7 @@ This module provides various graphical depictions of the developed image's light
 
 ![scopes module](./scopes/scopes.png#w50)
 
-Hover the mouse over the module to reveal buttons that can be used to adjust the display. The buttons on the left-hand-side are used to choose the display mode, from left-to-right: vectorscope, waveform, rgb parade and histogram. The buttons on the right-hand-side control how the plot for the current scope is drawn.
+Hover the mouse over the module to reveal buttons that can be used to adjust the display. The buttons on the left-hand-side are used to choose the display mode, from left-to-right: vectorscope, waveform, waveform/vectorscope, rgb parade and histogram. The buttons on the right-hand-side control how the plot for the current scope is drawn.
 
 The height of the scopes module can be changed by clicking-and-dragging on the bottom edge or by holding down Shift+Alt while scrolling the mouse. The visibility of the module can be toggled with a keyboard shortcut (default Ctrl+Shift+H).
 
@@ -71,6 +71,12 @@ The distance from the center of the graph represents chroma and the angle repres
 
 The graph includes a "hue ring" representing the maximum chroma of each hue (in bounded RGB) of the current histogram profile. The RGB primary/secondary colors are marked by circles around the edge of the hue ring.
 
+# waveform/vectorscope
+
+![waveform/vectorscope](./scopes/waveform-vectorscope.png#w50)
+
+Shows a combined mode with the vectorscope on the left and the waveform on the right. The available controls are as described for the individual modes.
+
 ## color harmony and additional vectorscope controls
 
 The vectorscope provides some additional controls beyond those provided by the other modes, which deserve separate discussion. Hovering over the scopes module while in vectorscope mode shows the following additional buttons: