README change slave/agent

README.md

@@ -8,7 +8,7 @@ Jenkins Pipeline script to manage one or more gCube components deployment
 * [Pipeline: Maven](https://plugins.jenkins.io/pipeline-maven)
 * [Pipeline: Basic Steps](https://plugins.jenkins.io/workflow-basic-steps) 
 * [Email Extension](https://plugins.jenkins.io/email-ext) (to send emails with attachments)
-* Jenkins slave(s) configured with Ansible ver. 2.9.27 or newer
+* Jenkins agent(s) configured with Ansible ver. 2.9.27 or newer
 * One or more Jenkins agents labeled as 'CD'
 
 ## Expected parameters