Apply suggestions from code review

Co-authored-by: Olivier Tassinari <olivier.tassinari@gmail.com>
Signed-off-by: José Rodolfo Freitas <joserodolfo.freitas@gmail.com>

docs/notifications.json

@@ -11,12 +11,12 @@
   },
   {
     "id": 79,
-    "title": "<b>Influence the roadmap for 2024</b>",
+    "title": "<b>A new Developer Survey is open</b>",
     "text": "Take a few minutes to share your feedback and expectations in the <a style=\"color: inherit;\" data-ga-event-category=\"Announcement\" data-ga-event-action=\"notification\" data-ga-event-label=\"mui-survey\" href=\"https://tally.so/r/3Ex4PN?source=docs-notification\">Developer Survey</a>."
   },
   {
     "id": 80,
-    "title": "<b>MUI X v7 is now in beta</b>",
+    "title": "<b>MUI X v7.0.0-beta.0</b>",
     "text": "Featuring new components and multiple enhancements for both developers and end-users. Discover all the specifics in the <a style=\"color: inherit;\" data-ga-event-category=\"Announcement\" data-ga-event-action=\"notification\" data-ga-event-label=\"mui-x-v7-beta\" href=\"https://mui.com/blog/mui-x-v7-beta/\">announcement blog post</a>."
   }
 ]