diff --git a/inventories/opensearch/group_vars/all/all.yml b/inventories/opensearch/group_vars/all/all.yml
index 32cb2f7..f049978 100644
--- a/inventories/opensearch/group_vars/all/all.yml
+++ b/inventories/opensearch/group_vars/all/all.yml
@@ -6,10 +6,16 @@ os_cluster_name: development-cluster
 os_download_url: https://artifacts.opensearch.org/releases/bundle/opensearch
 
 # opensearch version
+# 1.x Latest Version
 os_version: "1.3.1"
+# 2.x Latest Version
+# os_version: "2.0.0-rc1"
 
 # opensearch dashboards version
+# 1.x Latest Version
 os_dashboards_version: "1.3.1"
+# 2.x Latest Version
+# os_dashboards_version: "2.0.0-rc1"
 
 # Configure hostnames for opensearch nodes
 # It is required to configure SSL