docs: improved RHOSP wording

openstack/README.adoc

@@ -218,7 +218,7 @@ A virtual machine image is a file that contains a virtual disk with a bootable o
 
 To identify available images and choose which one to use check our docs on the link:openstack-cli.adoc[RHOSP CLI tool] which describe some of the most used commands.
 
-.OpenStack Fedora Cloud image list
+.Sample OpenStack Cloud image list
 [%header,cols="45%,45%,10%"]
 |===
 | ID | Name  | Status
@@ -239,7 +239,7 @@ In OpenStack, flavors define the compute, memory, and storage capacity of nova c
 
 Reduced list of flavors obtained from our RHOSP cluster.
 
-.OpenStack Flavor information
+.Sample OpenStack Flavor information
 [%header,cols="2m,1,1,1,1,1"]
 |===
 | Flavor | VCPUS | RAM | Total Disks | Root Disk | Ephemeral Disk
@@ -263,6 +263,7 @@ A network is an isolated Layer 2 networking segment.
 
 `provider_net_shared` is the default network to be used.
 
+.Sample network list
 [source]
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 +-------------------------+-------------------------+--------------------------+