diff --git a/README.md b/README.md

index 5950215..df64284 100644

--- a/README.md

+++ b/README.md

@@ -17,7 +17,7 @@ Example Playbook

 Install and enable postfix. Configure "relay_domains=$mydestination" and

-```

+```yaml

 ---

 - hosts: all

   vars:

@@ -31,7 +31,7 @@ Install and enable postfix. Configure "relay_domains=$mydestination" and

 Install and enable postfix. Do not run 'postfix check' before restarting

 postfix:

-```

+```yaml

 ---

 - hosts: all

   vars:

@@ -43,7 +43,7 @@ postfix:

 Install and enable postfix. Do single backup of main.cf (older backup will be

 rewritten) and configure "relay_host=example.com":

-```

+```yaml

 ---

 - hosts: all

   vars:

@@ -58,7 +58,7 @@ Install and enable postfix. Do timestamped backup of main.cf and

 configure "relay_host=example.com" (if postfix_backup_multiple is

 set to true postfix_backup is ignored):

-```

+```yaml

 ---

 - hosts: all

   vars: