Compute machines can use RHEL too

Author: codyhoag

modules/installation-requirements-user-infra.adoc

@@ -72,8 +72,7 @@ these cluster machines.
 endif::ibm-z[]
 ====
 
-The bootstrap, control plane, and compute machines must use the {op-system-first} as the
-operating system.
+The bootstrap and control plane machines must use {op-system-first} as the operating system.
 
 ifndef::openshift-origin[]
 Note that {op-system} is based on {op-system-base-full} 8 and inherits all of its hardware certifications and requirements.