correct little syntaxe

tasks/main.yml

@@ -27,7 +27,6 @@
 - include_tasks: setup-Archlinux.yml
   when: ansible_os_family == 'Archlinux'
 
-
 # Vhost configuration.
 - import_tasks: vhosts.yml
 
@@ -39,7 +38,7 @@
     dest: "{{ nginx_conf_file_path }}"
     owner: root
     group: "{{ root_group }}"
-    mode: 0644
+    mode: "0644"
   notify:
     - reload nginx
 
@@ -49,11 +48,14 @@
     dest: "{{ nginx_conf_path }}/realip.conf"
     owner: root
     group: "{{ root_group }}"
-    mode: 0644
+    mode: "0644"
   notify:
     - reload nginx
   when: nginx_realIP_Proxy is defined
 
 - name: Ensure nginx is started and enabled to start at boot.
-  service: name=nginx state=started enabled=yes
+  service:
+    name: nginx
+    state: started
+    enabled: yes