website tools small update

Author: ilg-ul

website/docs/tools/index.mdx

@@ -75,7 +75,7 @@ Some projects are not yet production ready, and need some more work.
 
 ## Common internal projects
 
-### The xPack Build Box
+### The xPack Build Box (XBB)
 
 For reproducibility, the GNU/Linux builds, also used
 to build the Windows binaries, are based on several Docker images.