[website] Fix outdated references to XGrid (#44046)

docs/pages/blog/2020.md

@@ -55,7 +55,7 @@ We have achieved most of what we could have hoped for.
 - We have migrated most of the tests from Enzyme to [Testing Library](https://testing-library.com/).
 - We have modernized MUI System, introducing an [`sx` prop](https://mui.com/system/getting-started/the-sx-prop/) to be used in all the core components.
 - We have added support for [Figma](/store/items/figma-react/) and [Adobe XD](/store/items/adobe-xd-react/).
-- We have released the first Enterprise component in an alpha version: [XGrid](https://v4.mui.com/components/data-grid/#commercial-version).
+- We have released the first Enterprise component in an alpha version: [MUI X Data Grid Pro](https://v4.mui.com/components/data-grid/#commercial-version).
 
 ## Looking at 2021
 

docs/src/components/pricing/PricingFAQ.tsx

@@ -127,9 +127,9 @@ const faqData = [
           </li>
           <li>
             Modules/components that DO NOT add significant primary functionality. Example: a theme
-            for a set of components that is sold as a separate product and includes the XGrid
-            components. In such cases, we offer reseller arrangements so that everyone has an
-            incentive to enter into a relationship.
+            for a set of components that is sold as a separate product and includes the MUI X Data
+            Grid Pro components. In such cases, we offer reseller arrangements so that everyone has
+            an incentive to enter into a relationship.
           </li>
         </ul>
         If your desired use falls under any of the three categories listed above, please{' '}