[blog] Makes the v5 name change clearer

Author: oliviertassinari

docs/pages/blog/material-ui-is-now-mui.md

@@ -11,8 +11,8 @@ manualCard: true
 
 Starting today we are evolving our brand identity to clarifying the difference between our company and our products.
 
-- Material-UI: the organization is now called **[MUI](https://github.com/mui)**.
 - Material-UI: the Material Design components developed by MUI is now called **[Material UI](https://mui.com/material-ui/getting-started/)**, we ditched the hyphen!
+- Material-UI: the organization is now called **[MUI](https://github.com/mui)**.
 - Material-UI X: the set of advanced React components is now called **[MUI X](https://github.com/mui/mui-x)**.
 - Material-UI: the set of foundational MIT React components is now called **[MUI Core](https://github.com/mui/material-ui)**.
 

docs/pages/blog/mui-core-v5.md

@@ -77,7 +77,7 @@ You can find the initial RFC plan for v5 in [issue #20012](https://github.com/mu
 
 ## A new brand
 
-Material-UI is now **Material UI**! Head to the [dedicated blog post](https://mui.com/blog/material-ui-is-now-mui/) to learn more.
+Material-UI is now **Material UI**! We ditched the hyphen, head to the [dedicated blog post](https://mui.com/blog/material-ui-is-now-mui/) to learn more.
 
 We hope you are going to enjoy the DX improvement of only having to type 3 letters to type to find us on the internet: [mui.com](https://mui.com) and to import us from npm `@mui`!