M #-: Fix case

Author: rsmontero

content/product/cluster_configuration/hosts_and_clusters/cluster_guide.md

@@ -147,7 +147,7 @@ The [Sunstone UI interface]({{% relref "../../control_plane_configuration/graphi
 
 ![details_cluster](/images/sunstone_cluster_details.png)
 
-## Enhanced Vm Compatibility (EVC)
+## Enhanced VM Compatibility (EVC)
 
 The Enhanced VM Compatibility (EVC) feature facilitates the management of heterogeneous OpenNebula clusters by masking host CPU capabilities to enforce a unified base model. Using a lowest-common-denominator approach ensures CPU compatibility across hosts and enables seamless live migration of Virtual Machines between hosts with different processor generations.
 
@@ -200,4 +200,4 @@ The Fireedge / Sunstone web UI provides a convenient way to enable and change EV
 
 3. Once the EVC mode is set, you can see it listed in the cluster attributes the same way as if the CLI had been used.
 
-![EVC set in cluster attributes](/images/sunstone_cluster_evc_attributes.png)
+![EVC set in cluster attributes](/images/sunstone_cluster_evc_attributes.png)