diff --git a/prod.hosts b/prod.hosts
index 33e7643..3cff188 100644
--- a/prod.hosts
+++ b/prod.hosts
@@ -1,15 +1,15 @@
 #
-# Variables used by my playbook
+# Variables used by the ITIX playbook
 #
-[lab:vars]
-lab_dns_suffix=itix.fr
-lab_openshift_version=3.7
+[itix:vars]
+itix_dns_suffix=itix.fr
+itix_openshift_version=3.7
 
-[lab:children]
+[itix:children]
 masters
 
 #
-# Shared variables used by both openshift-ansible and my playbook
+# Shared variables used by both openshift-ansible and the ITIX playbook
 #
 [all:vars]
 # Default route suffix
diff --git a/roles/name-resolution/tasks/main.yml b/roles/name-resolution/tasks/main.yml
index 7a64ecd..ae9d8b3 100644
--- a/roles/name-resolution/tasks/main.yml
+++ b/roles/name-resolution/tasks/main.yml
@@ -5,7 +5,7 @@
       msg: "This playbook requires {{item}} to be set."
     when: "item is not defined or item == ''"
     with_items:
-    - lab_dns_suffix
+    - itix_dns_suffix
     - openshift_master_default_subdomain
 
   - name: Make sure each machine has an up-to-date /etc/hosts
diff --git a/roles/name-resolution/templates/dnsmasq.conf b/roles/name-resolution/templates/dnsmasq.conf
index 0b066f1..44744c1 100644
--- a/roles/name-resolution/templates/dnsmasq.conf
+++ b/roles/name-resolution/templates/dnsmasq.conf
@@ -13,7 +13,7 @@ no-hosts
 addn-hosts=/etc/hosts.dnsmasq
 
 # Default suffix for all machines
-domain={{ lab_dns_suffix }}
+domain={{ itix_dns_suffix }}
 
 #
 # Wildcard DNS entries (see lab_route_suffix variable)
diff --git a/roles/name-resolution/templates/resolv.conf b/roles/name-resolution/templates/resolv.conf
index 2b16196..c0393f8 100644
--- a/roles/name-resolution/templates/resolv.conf
+++ b/roles/name-resolution/templates/resolv.conf
@@ -1,5 +1,5 @@
 # {{ ansible_managed }}
-search {{ lab_dns_suffix }}
+search {{ itix_dns_suffix }}
 {% for item in groups['name-server'] %}
 nameserver {{ hostvars[item]['ansible_default_ipv4']['address'] }}
 {% endfor %}
diff --git a/roles/openshift-prereq/tasks/main.yml b/roles/openshift-prereq/tasks/main.yml
index 20e58ac..559230f 100644
--- a/roles/openshift-prereq/tasks/main.yml
+++ b/roles/openshift-prereq/tasks/main.yml
@@ -10,7 +10,7 @@
       - rhel-7-server-rpms
       - rhel-7-server-optional-rpms
       - rhel-7-server-extras-rpms
-      - rhel-7-server-ose-{{ lab_openshift_version }}-rpms
+      - rhel-7-server-ose-{{ itix_openshift_version }}-rpms
       - rhel-7-fast-datapath-rpms # see https://access.redhat.com/solutions/3008401
     tags: rpm