Update README.md

README.md

@@ -6,7 +6,7 @@ To run ansible you need a couple of things.
 
 Control Node: Any machine with Ansible installed. You can run commands and playbooks
 
-Managed Node: Any machine with Ansible installed. You can run commands and playbooks
+Managed Node: The network devices (and/or servers) you manage with Ansible
 
 #### Step 1. Managed Node: Modify visudo