Merge pull request #833 from MicrosoftDocs/master

Publish: tweaks to dropdown, pen topics

Author: AFTOwen

powerapps-docs/maker/canvas-apps/controls/control-drop-down.md

@@ -18,7 +18,7 @@ search.app:
 A list that shows only the first item unless the user opens it.
 
 ## Description
-A **Drop down** control conserves screen real estate, especially when the list contains a large number of choices. The control takes up only one line unless the user selects the chevron to reveal more choices.
+A **Drop down** control conserves screen real estate, especially when the list contains a large number of choices. The control takes up only one line unless the user selects the chevron to reveal more choices.  The control will show a maximum of 500 items.
 
 ## Key properties
 **[Default](properties-core.md)** – The initial value of a control before the user specifies a different value.

powerapps-docs/maker/canvas-apps/controls/control-pen-input.md

@@ -21,6 +21,8 @@ A control in which the user can draw, erase, and highlight areas of an image.
 The user can use this control like a whiteboard, drawing diagrams and writing words that can be converted to typed text.
 
 ## Key properties
+**Image** – Output property that represents the image drawn by the end user.
+
 **[Color](properties-color-border.md)** – The color of input strokes.
 
 **Mode** – The control is in **Draw** or **Erase** mode.  Select mode has been deprecated.
@@ -40,7 +42,7 @@ The user can use this control like a whiteboard, drawing diagrams and writing wo
 
 **[Height](properties-size-___location.md)** – The distance between a control's top and bottom edges.
 
-**Input** – Input.
+**Input** – **Deprecated.** Whether the input supports mouse, pen, or touch inputs.  Defalut value (7) supports all three.
 
 **[OnSelect](properties-core.md)** – How the app responds when the user taps or clicks a control.