diff --git a/Jenkinsfile b/Jenkinsfile
index 9cabcc0..b92ec00 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -52,9 +52,9 @@ pipeline {
                     // Build the limit flag
                     def limitValue = ''
                     if (isDockerPlaybook) {
-                        // Docker playbooks always target 'docker' tagged hosts
-                        // If user provides a limit, use intersection (docker AND limit)
-                        limitValue = params.LIMIT ? "docker:&${params.LIMIT}" : 'docker'
+                        // Docker playbooks always target 'docker_hosts' group
+                        // If user provides a limit, use intersection (docker_hosts AND limit)
+                        limitValue = params.LIMIT ? "docker_hosts:&${params.LIMIT}" : 'docker_hosts'
                     } else {
                         limitValue = params.LIMIT ?: ''
                     }
@@ -67,7 +67,7 @@ pipeline {
                     echo "Check flag: '${checkFlag}'"
                     echo "Limit: '${limitValue}'"
                     if (isDockerPlaybook) {
-                        echo "Docker playbook detected - targeting hosts with 'docker' tag"
+                        echo "Docker playbook detected - targeting 'docker_hosts' group"
                     }
 
                     sh """
diff --git a/README.md b/README.md
index f21882d..cff35c6 100644
--- a/README.md
+++ b/README.md
@@ -35,19 +35,19 @@ The Jenkins pipeline provides a parameterized build with:
 | `LIMIT` | Optionally limit to specific hosts (e.g., `plex`, `media-app`) |
 | `DRY_RUN` | Run in check mode without making changes |
 
-The pipeline automatically targets hosts with the `docker` tag. When a limit is provided, it uses an intersection pattern (`docker:&<limit>`) to ensure only docker-tagged hosts matching the limit are affected.
+The pipeline automatically targets hosts in the `docker_hosts` group. When a limit is provided, it uses an intersection pattern (`docker_hosts:&<limit>`) to ensure only docker hosts matching the limit are affected.
 
 ### Via Command Line
 
 ```bash
 # Update all docker hosts
-ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerUpdate.yml --limit docker
+ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerUpdate.yml --limit docker_hosts
 
 # Update a specific host
-ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerUpdate.yml --limit docker:&plex
+ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerUpdate.yml --limit 'docker_hosts:&plex'
 
 # Prune all docker hosts (dry run)
-ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerPrune.yaml --limit docker --check --diff
+ansible-playbook -i inventories/inventory.proxmox.yml playbooks/dockerPrune.yaml --limit docker_hosts --check --diff
 ```
 
 ## Inventory