OLS-1756: minor edit

Author: rh-tokeefe

modules/ols-about-subscription-requirements.adoc

@@ -7,7 +7,7 @@
 
 {ols-official} requires an active and valid subscription to one of the following products:
 
-* {oke-first} only supported for virtual machines
+* {oke-first}, only supported for virtual machines
 * {ove-first}
 * {ocp-product-title}
 * {opp-first}