Update Shared/Samples/Create and edit geometries/README.md

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

Author: zkline101

Shared/Samples/Create and edit geometries/README.md

@@ -15,7 +15,7 @@ Tap the pencil button to choose a geometry editor tool. Begin interactively sket
 
 ## How it works
 
-1. Create an `GeometryEditor` and assign it to a map view with the `geometryEditor` view modifier.
+1. Create a `GeometryEditor` and assign it to a map view with the `geometryEditor` view modifier.
 2. Set the tool of the geometry editor to the preferred tool.
 3. Use the `start(withType:)` method on the `GeometryEditor` to start interactively sketching on the map view.
 4. Use various methods and properties of the `GeometryEditor` to undo, redo, delete a selected element, clear the sketch, and cancel the sketch.