Fixes error in cloneElement code example (#6291)

Author: drex04

src/content/reference/react/cloneElement.md

@@ -40,7 +40,7 @@ const clonedElement = cloneElement(
   'Goodbye'
 );
 
-console.log(clonedElement); // <Row title="Cabbage">Goodbye</Row>
+console.log(clonedElement); // <Row title="Cabbage" isHighlighted={true}>Goodbye</Row>
 ```
 
 [See more examples below.](#usage)