diff --git a/README.md b/README.md
index 0ea15cb..a91b30c 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,9 @@ Jenkins Pipeline script to manage a complete gCube release.
 * [Pipeline: Maven](https://plugins.jenkins.io/pipeline-maven)
 * [Pipeline: Basic Steps](https://plugins.jenkins.io/workflow-basic-steps) 
 * [Kubernetes](https://plugins.jenkins.io/kubernetes) (for the YAML parser)
-* Jenkins configured with a JDK named 'OpenJDK 8'
+* Jenkins configured with a JDK global tool named 'OpenJDK 8'
+* Jenkins configured with a Maven global tool named 'Maven 3.6.2'
+
 *  One or more Jenkins agents labeled as 'pipeline-agent'
 
 ## Reference documentation
@@ -18,7 +20,8 @@ Jenkins Pipeline script to manage a complete gCube release.
 
 ## Expected parameters
 Parameters from the Jenkins pipeline project:
-* Type: a choice SNAPSHOT-DRY-RUNSNAPSHOT/RELEASE-DRY-RUN/RELEASE
+* Type: a choice of 'SNAPSHOT-DRY-RUN', 'SNAPSHOT', 'RELEASE-DRY-RUN', 'RELEASE-STAGING', 'RELEASE'
+* gCube_release_version: the gcube version to build (must match the YAML file in /releases)
 
 ## Stages
 ### build core components