diff --git a/17.1_variable/apache.yml b/17.1_variable/apache.yml
index 054e9d0..209d447 100644
--- a/17.1_variable/apache.yml
+++ b/17.1_variable/apache.yml
@@ -1,6 +1,6 @@
 ---
 - name: install apache via ansible playbook
-  hosts: test
+  hosts: centos
   user: ansible
   become: true
   roles:
diff --git a/17.1_variable/myapache/README.md b/17.1_variable/myapache/README.md
index f6a79dd..add3500 100644
--- a/17.1_variable/myapache/README.md
+++ b/17.1_variable/myapache/README.md
@@ -19,11 +19,11 @@ http_port: 80
 Hosts Variables:
 ---------------
 
-apache_servername: orsys.fr
-apache_serveralias: "www.orsys.fr"
-apache_documentroot: /var/www/html/orsys.fr
-apache_accesslog: /var/log/httpd/access_orsys.fr_log
-apache_errorlog: /var/log/httpd/error_orsys.fr_log
+apache_servername: no default
+apache_serveralias: no default
+apache_documentroot: /var/www/html/{{ apache_servername }}
+apache_accesslog: /var/log/httpd/access_{{ apache_servername }}_log
+apache_errorlog: /var/log/httpd/error_{{ apache_servername }}_log
 
 Dependencies
 ------------
diff --git a/17.1_variable/myapache/defaults/main.yml b/17.1_variable/myapache/defaults/main.yml
index 23578c8..86179ae 100644
--- a/17.1_variable/myapache/defaults/main.yml
+++ b/17.1_variable/myapache/defaults/main.yml
@@ -1,3 +1,6 @@
 ---
 # defaults file for myapache
-http_port: 80
\ No newline at end of file
+http_port: 80
+apache_documentroot: "/var/www/html/{{ apache_servername }}"
+apache_accesslog: "/var/log/httpd/access_{{ apache_servername }}_log"
+apache_errorlog: "/var/log/httpd/error_{{ apache_servername }}_log"
diff --git a/17.1_variable/myapache/tasks/main.yml b/17.1_variable/myapache/tasks/main.yml
index 535a553..ba22c34 100644
--- a/17.1_variable/myapache/tasks/main.yml
+++ b/17.1_variable/myapache/tasks/main.yml
@@ -19,7 +19,7 @@
   notify: reload httpd
   template:
     src: vhost.conf.jj
-    dest: /etc/httpd/conf.d/vhost_{{ apache_servername }}.conf
+    dest: "/etc/httpd/conf.d/vhost_{{ apache_servername }}.conf"
     mode: 0640
     owner: root
     group: apache