docs: Update ADOPTERS.md

Copyedit the universal blue entry.

Signed-off-by: Jorge O. Castro <jorge.castro@gmail.com>

Author: castrojo

ADOPTERS.md

@@ -25,7 +25,7 @@ is to be the successor to ostree, and it is our aim to seamlessly carry forward
 | Vendor | Red Hat | 2015 | [link](https://redhat.com) | Image Based Linux
 | Vendor | Apertis | 2020 | [link](https://apertis.org) | Collaborative OS platform for products
 | Vendor | Fedora Project | 2021 | [link](https://fedoraproject.org/atomic-desktops/) | An atomic desktop operating system aimed at good support for container-focused workflows
-| Vendor | UBlue   | 2023 | [link](https://universal-blue.org/) | The reliability of a Chromebook, but with the flexibility and power of a traditional Linux desktop
+| Vendor | Universal Blue   | 2022 | [link](https://universal-blue.org/) | The reliability of a Chromebook, but with the flexibility and power of a traditional Linux desktop
 
 ### Adopter Types