docs: fix description of SelectInitialValue story (#26493)

* docs: fix description of SelectInitialValue story

* Update packages/react-components/react-select/stories/Select/SelectInitialValue.stories.tsx

Co-authored-by: Ben Howell <48106640+behowell@users.noreply.github.com>

---------

Co-authored-by: Ben Howell <48106640+behowell@users.noreply.github.com>

Author: layershifter

packages/react-components/react-select/stories/Select/SelectInitialValue.stories.tsx

@@ -19,7 +19,7 @@ export const InitialValue = () => {
 InitialValue.parameters = {
   docs: {
     description: {
-      story: 'A Select can have its initial value defined by using `selected` on a child `option`',
+      story: 'A Select can have its initial value defined by using the `defaultValue` prop.',
     },
   },
 };