Merge branch 'i645' into 'preview'

Fix spelling

Closes #645

See merge request !1162

doc.zih.tu-dresden.de/docs/jobs_and_resources/hardware_overview.md

@@ -62,7 +62,7 @@ CPUs.
     - All other nodes are diskless and have no or very limited local storage (i.e. `/tmp`)
 - Login nodes: `login[1-4].barnard.hpc.tu-dresden.de`
 - Hostnames: `n[1001-1630].barnard.hpc.tu-dresden.de`
-- Operating system: Red Hat Enterpise Linux 8.9
+- Operating system: Red Hat Enterprise Linux 8.9
 
 ## Alpha Centauri