Code review suggestion

Author: olehermanse

reference/functions/hostswithclass.markdown

@@ -12,7 +12,7 @@ published: true
 `field` of hosts on which `classs` is set.
 
 On CFEngine Enterprise, this function can be used to return a list of
-hostnames, ip-addresses or public key shas of hosts that have a given class.
+hostnames, ip-addresses or public key SHAs of hosts that have a given class.
 
 **Note:** This function only works locally on the hub, but allows the hub to construct custom
 configuration files for (classes of) hosts. Hosts are selected based on the