Update intro.stories.mdx

Signed-off-by: Joseph Garrone <joseph.garrone.gj@gmail.com>

Author: garronej

stories/intro.stories.mdx

@@ -19,5 +19,5 @@ import { useDarkMode } from "storybook-dark-mode";
     🇫🇷 <i><a href="https://www.systeme-de-design.gouv.fr/">French State Design System</a> React integration</i> 🇫🇷 
 
 This website is a playground to test the React components of [@codegouvfr/react-dsfr](https://github.com/codegouvfr/react-dsfr).  
-If you're just getting started heads over to the [main documentation website](https://react-dsfr.etalab.studio/).
-</div>
+If you're just getting started heads over to the [documentation website](https://react-dsfr.etalab.studio/).
+</div>