diff --git a/host_vars/print01.home.foo.sh.yml b/host_vars/print01.home.foo.sh.yml
index 308af90..cd24033 100644
--- a/host_vars/print01.home.foo.sh.yml
+++ b/host_vars/print01.home.foo.sh.yml
@@ -10,6 +10,6 @@ network_interfaces:
     ipaddr: 172.20.24.2
     netmask: 255.255.255.0
     proto: static
-    nameservers: [172.20.24.1,172.20.24.2]
+    nameservers: [172.20.24.1, 172.20.24.2]
 
 vip24_priority: 128
diff --git a/roles/ifstated/tasks/main.yml b/roles/ifstated/tasks/main.yml
index 20b50c1..5780c42 100644
--- a/roles/ifstated/tasks/main.yml
+++ b/roles/ifstated/tasks/main.yml
@@ -6,7 +6,7 @@
     mode: 0644
     owner: root
     group: "{{ ansible_wheel }}"
-    #validate: "ifstated -n -f %s"
+    # validate: "ifstated -n -f %s"
   notify: restart ifstated
 
 - name: enable ifstated
diff --git a/roles/munin-server/tasks/main.yml b/roles/munin-server/tasks/main.yml
index b727044..9e7194b 100644
--- a/roles/munin-server/tasks/main.yml
+++ b/roles/munin-server/tasks/main.yml
@@ -39,7 +39,7 @@
   user:
     name: munin
     groups: hostkey
-    append: yes
+    append: true
 
 # this needs better rule
 - name: fix selinux write errors
diff --git a/roles/tftp/tasks/main.yml b/roles/tftp/tasks/main.yml
index fd50b74..d7f7dfe 100644
--- a/roles/tftp/tasks/main.yml
+++ b/roles/tftp/tasks/main.yml
@@ -31,7 +31,7 @@
     mode: 0755
     owner: root
     group: "{{ ansible_wheel }}"
- 
+
 - name: link data directory
   file:
     dest: /srv/tftpboot