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

index 122b725..b499a2d 100644

--- a/README.md

+++ b/README.md

@@ -11,7 +11,7 @@ Role Variables

 The variables that can be passed to this role are as follows:

-```

+```yaml

 # List of NTP servers

 timesync_ntp_servers:

   - hostname: foo.example.com   # Hostname or address of the server

@@ -59,7 +59,7 @@ Example Playbook

 Install and configure ntp to synchronize the system clock with three NTP servers:

-```

+```yaml

 - hosts: targets

   vars:

     timesync_ntp_servers:

@@ -76,7 +76,7 @@ Install and configure ntp to synchronize the system clock with three NTP servers

 Install and configure linuxptp to synchronize the system clock with a

 grandmaster in PTP domain number 0, which is accessible on interface eth0:

-```

+```yaml

 - hosts: targets

   vars:

     timesync_ptp_domains:

@@ -90,7 +90,7 @@ Install and configure chrony and linuxptp to synchronize the system clock with

 multiple NTP servers and PTP domains for a highly accurate and resilient

 synchronization:

-```

+```yaml

 - hosts: targets

   vars:

     timesync_ntp_servers: