diff --git a/monitoring.yml b/monitoring.yml
index 38a019d..c31fe86 100755
--- a/monitoring.yml
+++ b/monitoring.yml
@@ -26,9 +26,9 @@
     prometheus_unifi_snmp_targets:
       - targets: "{{ groups['pacaterie_unifi'] | list | sort }}"
     prometheus_ups_snmp_targets:
-       - ups-pn-1.ups.auro.re
+      - ups-pn-1.ups.auro.re
   roles:
-     - prometheus
+    - prometheus
 
 - hosts: prometheus-edc.adm.auro.re
   vars:
@@ -37,7 +37,7 @@
 
     # Prometheus targets.json
     prometheus_ups_snmp_targets:
-       - ups-ec-1.ups.auro.re
+      - ups-ec-1.ups.auro.re
 
     prometheus_targets:
       - targets: |
@@ -70,7 +70,7 @@
 
     # Prometheus targets.json
     prometheus_ups_snmp_targets:
-       - ups-r3-1.ups.auro.re
+      - ups-r3-1.ups.auro.re
 
     prometheus_targets:
       - targets: |
diff --git a/roles/prometheus/tasks/main.yml b/roles/prometheus/tasks/main.yml
index 036b58c..8697ef9 100644
--- a/roles/prometheus/tasks/main.yml
+++ b/roles/prometheus/tasks/main.yml
@@ -55,7 +55,7 @@
     content: "{{ prometheus_unifi_snmp_targets | to_nice_json }}"
     dest: /etc/prometheus/targets_unifi_snmp.json
     mode: 0644
-  when : prometheus_unifi_snmp_targets is defined
+  when: prometheus_unifi_snmp_targets is defined
 
 - name: Configure Prometheus UPS SNMP devices
   copy: