Update Shared/Samples/Display web scene from portal item/README.md

Co-authored-by: Phil Gruenler <[email protected]>

Author: CalebRas

Shared/Samples/Display web scene from portal item/README.md

@@ -17,7 +17,7 @@ When the sample opens, it will automatically display the scene from ArcGIS Onlin
 To open a web scene from a portal item:
 
 1. Create a `PortalItem` with an item ID pointing to a web scene.
-2. Create an `Scene` passing in the portal item.
+2. Create a `Scene` passing in the portal item.
 3. Pass the scene to a `SceneView` to display it.
 
 ## Relevant API