Updated resize events example

Author: aeagle

src/components/stories/01-examples/03-ControllerSize.stories.mdx

@@ -11,10 +11,10 @@ import { CommonHeader } from "../Utils";
 
 ## Resizable space with state controlled size
 
-Example of resizable space with state controlled size. By default the size of a resizable
-space is uncontrolled. Therefore the initial size passed is is only the initial size of
-a space. To keep the size of a space controlled with state you need to use the
-onResizeEnd event.
+By default the size of a resizable space is uncontrolled. Therefore the initial size passed is is 
+only the initial size of a space and React Spaces deals with any resizing. To keep the size of a 
+space controlled in state you need to use the onResizeEnd event to set the new size of a space
+after a resize back to a state value.
 
 <Preview>
 	<Story name="Controlled size">
@@ -53,4 +53,4 @@ You can cancel a resize by returning `false` from a onResizeStart event handler.
 			}
 		}
 	</Story>
-</Preview>
+</Preview>